Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Steinitz's theorem wikipedia , lookup
Multilateration wikipedia , lookup
Perceived visual angle wikipedia , lookup
Rational trigonometry wikipedia , lookup
Euler angles wikipedia , lookup
History of trigonometry wikipedia , lookup
Integer triangle wikipedia , lookup
Trigonometric functions wikipedia , lookup
Secondary II Day 1 Review - Worksheet Name ___________________________ GCF, LCM, AND FACTORING Write the prime factorization for each number. 1. 12 2. 30 3. 24 4. 40 5. 60 9. 24 & 40 10. 4 & 14 & 8 Find the LCM for each set of numbers: 6. 6 & 9 7. 4 & 7 8. 12 & 30 11. Ronna has soccer practice every 4 days. She also has violin lessons every 10 days. Ronna has both activities today after school. When will she have both activities again in the same day? (Hint: find LCM) 12. Emilio's family volunteers at the local soup kitchen every 30 days. Emilio has swimming lessons every 9 days. He has both activities this Saturday. When will he have both activities again on the same day? Find the GCF for each set of numbers: 13. 25 & 45 14. 48 & 20 15. 15 & 16 16. 6 & 9 17. 14 & 28 & 49 18. Kim is creating treat bags for her birthday party guests. She has 32 packs of gum, 24 bracelets, and 16 lip glosses. What is the greatest number of treat bags she can make if she wants to use all of the items and have the same number of each treat in each bag? How many of each treat will be in a bag? (Hint: first find GCF) 19. Bryan is dividing students into groups for a nature hike. He wants to divide the boys and girls so that each group has the same number of both boys and girls. There are 21 boys and 56 girls signed up for the hike. Into how many groups can the students be divided? How many boys and how many girls will be in each group? Identify the greatest common factor between each set of terms. 2 3 3 20. 12a b and 18a b 21. 30hp 5 and 24h 4 p 3 22. 20 y m x 2 3 5 and 12 y 6 mx 4 1 Secondary II Day 2 Review – Worksheet Name ___________________________ Lines and System of Equations Find the slope between each pair of points. 1. (4,5) & (-2,3) 2. (4,-6) & (-1,-6) 3. (-3,7) & (-3,10) Convert each equation from standard form to slope-intercept form. 4. 3x 5 y 30 5. 6 x 2 y 52 6. y 9 x 12 Convert each equation from slope-intercept form to standard form. 7. y 4 x 2 8. y 2 x6 3 9. y 5 x2 2 Determine the x and y intercepts of each equation. 10. y 3x 6 11. 2 x 3y 6 5 Determine the x and y intercepts of each equation. Graph each equation and label your graph. 12. y 2 x 5 13. 4 x 5 y 20 14. x 3 15. A movie theater sells tickets for matinee showings for $7 and evening shows for $10. Write an expression that represents the total amount the theater can earn selling tickets. 16. The basketball booster club runs the concession stand during a weekend tournament. They sell hamburgers for $2.50 each and hot dogs for $1.50 each. They hope to earn $900 during the tournament. Find an equation to represent the total amount the booster club hopes to earn. a. If the club sells 315 hamburgers during the tournament, how many hot dogs must they sell to reach their goal? b. If the club sells 0 hot dogs during the tournament, how many hamburgers must they sell to reach their goal? 17. Mattie sells heads of lettuce for $1.99 each from a roadside farmer’s market stand. Each week she loses 2 heads of lettuce due to spoilage. Write a linear function that represents the total amount Mattie earns each week selling heads of lettuce taking into account the value of the lettuce she loses due to spoilage. 2 Secondary II Write the equation of a line with the given information. 18. Passes through the points (3,-5) and (-1,2) 19. Passes through the points (4,-9) and (4,3) 20. Passes through the point (2,-6) with a slope of -4 21. Parallel to y 2 x 5 that passes through ( 3 , - 2 ) 22. Perpendicular to y 3x 1 that passes through point ( 3 , - 2 ) 23. Write a system of linear equations to represent each problem. Define each variable. Graph the system of equations, label the axes Eric sells model cars from a booth at a local flea market. He purchases each model car from a distributor for $12 and the flea market charges him a booth fee of $50. Eric sells each model car for $20. 24. Find the x- and y- intercepts of the equation, and graph. a. 𝑥 = −3 b. 3𝑦 + 2𝑥 = 10 c. 𝑦 − 3𝑥 = 0 3 Secondary II Day 3 Review – Worksheet Name ___________________________ RADICALS AND EXPONENTS 1. Write a system of linear equations to represent each problem. Define each variable. Graph the system of equations, label the axes Eric sells model cars from a booth at a local flea market. He purchases each model car from a distributor for $12 and the flea market charges him a booth fee of $50. Eric sells each model car for $20. 2. Solve each system of equations by substitution. Determine if the system is consistent or inconsistent. y 2x 3 2 x y 5 y 3x 2 y 3x 4 b) a) 3. Solve each system of equations by elimination. Determine whether the system is consistent or inconsistent. a) 4 x y 2 2 x 2 y 26 10 x 6 y 6 5 x 5 y 5 b) 4. Write a system of equations to represent each problem situation. Solve the system and explain what your solution means in context of the problem. a) The high school band is selling fruit baskets as a fundraiser. They sell a large basket containing 10 apples and 15 oranges for $20. They sell a small basket containing 5 apples and 6 oranges for $8.50. How much is the band charging for each apple and each orange? b) Taylor and Natsumi are making block towers out of large and small blocks. They are stacking the blocks on top of each other in a single column. Taylor uses 4 large blocks and 2 small blocks to make a tower 63.8 inches tall. Natsumi uses 9 large blocks and 4 small blocks to make a tower 139.8 inches tall. How tall is each large block and each small block? 5. Simplify each expression without a calculator. a. 3 8 b. 3 3 c. 64 125 d. 5 32 e. 3 54 6. Write each radical as a power. a. y b. 3 c. 5 5 x d. 5 84 7. Write each power as a radical. 1 2 2 a. 12 3 b. 7 5 c. c 3 4 Secondary II 2.1 - Worksheet Name ___________________________ Define each term: 1. Induction: ______________________________________________________________ 2. Deduction:_____________________________________________________________ 3. Propositional Form:______________________________________________________ Identify the specific information, the general information, and the conclusion for each problem. (Hint: If there is none write there is none and not leave the problem blank.) 4. You read an article in the paper that says a high-fat diet increases a person’s risk of heart disease. You know your father has a lot of fat in his diet, so you worry that he is at higher risk of heart disease. Specific information: __________________________________________________________ General Information: __________________________________________________________ Conclusion: ___________________________________________________________________ 5. Janice tells you that she has been to the mall three times in the past week, and every time there were a lot of people there. “It’s always crowed at the mall,” she says. Specific information: __________________________________________________________ General Information: __________________________________________________________ Conclusion: ___________________________________________________________________ 6. Ava read an article that said eating too much sugar can lead to tooth decay and cavities. Ava noticed that her little brother Phillip eats a lot of sugar. She concludes that Phillip’s teeth will decay and develop cavities. Specific information: __________________________________________________________ General Information: __________________________________________________________ Conclusion: ___________________________________________________________________ 5 Secondary II Determine whether inductive reasoning or deductive reasoning is used in each situation. Then determine whether the conclusion is correct and explain your reasoning. 7. Jason sees a line of 10 school buses and notices that each is yellow. He concludes that all school buses must be yellow. 8. Caitlyn has been told that every taxi in New York is yellow. When she sees a red car in New York City, she concludes that it cannot be a taxi. 9. Carlos is told that all garter snakes are not venomous. He sees a garter snake in his backyard and concludes that it is not venomous. 10. Isabella sees 5 red fire trucks. She concludes that all fire trucks are red. Write each statement in propositional form. 11. Three points are all located on the same line. So, the points are collinear points. 12. Two angles are supplementary angles if the sum of their angle measures is equal to 180ᵒ. 13. A ray divides an angle into two congruent angles. So, the ray is an angle bisector. Identify the hypothesis and the conclusion of each conditional statement. 14. If the sum of two angles is 180ᵒ, then the angles are supplementary. Hypothesis: __________________________________________________________________ Conclusion:___________________________________________________________________ 15. If the sum of two angle measures is equal to 90ᵒ, then the angles are complementary angles. Hypothesis: __________________________________________________________________ Conclusion:___________________________________________________________________ For each conditional statement write the hypothesis as the “Given” and the conclusion as the “Prove.” 16. Given: ______________________________________________ Prove:_______________________________________________ 6 Secondary II 17. Given: ______________________________________________ Prove:_______________________________________________ Simplify the expression by hand. 18. 19. 4 625 72 Identify the greatest common factor between each set of terms. 20. 12𝑎 2 𝑏3 𝑎𝑛𝑑 18𝑎 3 𝑏 7 Secondary II 2.2 - Worksheet Name ___________________________ 1. Draw a figure to illustrate each term: a) Vertical Angles b) Linear Pair c) Adjacent Angles Define the following 2. Supplementary Angles:____________________________________________________________ 3. Complementary Angles:___________________________________________________________ 4. Linear Pair Postulate:______________________________________________________________ 5. Segment Addition Postulate:________________________________________________________ 6. Angle Addition Postulate:__________________________________________________________ Solve for x. 7. 8. X=________________ 9. X=________________ 10. X=_______________ X=_______________ 8 Secondary II Use the given information to determine the measure of the angles in each pair. 11. The measure of the complement of an angle is three times the measure of the angle. What is the measure of each angle? 12. The measure of the supplement of an angle is twice the measure of the angle. What is the measure of each angle? For each diagram, determine whether angles 1 and 2 form adjacent angles 13.a) b) For each diagram, determine whether angles 1 and 2 form a linear pair 14.a) b) Name each pair of vertical angles then find the given values 15. Vertical angles:____________________________________ Given m<1=110ᵒ Find m<6 and m<2 m<6=________________ m<2=________________ 16. Vertical angles:____________________________________ Given m<7=63ᵒ Find m<3 and m<8 m<3___________________ m<8___________________ 9 Secondary II Complete the statement. Then write the postulate used. 17. 19. 18. 20. Write in propositional form: The measure of m<A and m<B add up to 90ᵒ, so they are complementary. 21. 22. Find the greatest common factor: 25𝑎 3 𝑏, 5𝑎𝑏, 15𝑎 4 𝑏3 10 Secondary II 2.3 - Worksheet Name ________________________ Identify the property demonstrated in each example 1. 4. 2. 5. 3. Rewrite each conditional statement by separating the hypothesis and conclusion. The hypothesis becomes the “Given” information and the conclusion becomes the “Prove” information. 6. Conditional Statement: 𝐼𝑓 < 2 ≅< 1, 𝑡ℎ𝑒𝑛 < 2 ≅< 3 Given: Prove: 7. Conditional Statement: 𝐴𝐵 + 𝑅𝑆 = 𝐶𝐷 + 𝑅𝑆, 𝑖𝑓 𝐴𝐵 = 𝐶𝐷 Given: Prove: 8. Rewrite the flow chart proof as a two column proof. 11 Secondary II 9. Rewrite the two-column proof as a paragraph proof 10. Fill in the missing information 12 Secondary II 11. Fill in the missing information 12. Prove using any method 13. Given the diagram find: (Use correct notation) a) One pair of vertical angles. b) One pair of supplementary angles. c) One pair of complementary angles. d) One pair of adjacent angles that are neither complementary nor supplementary. e) A linear pair of angles. 13 Secondary II 2.4/2.5 - Worksheet Name ___________________________ 1. Given the following figure answer all parts. a) Vertical angles:_________________________________ b) Alternate Interior angles:_________________________ c) Alternate Exterior angles:___________________________ d) Same-side exterior angles:______________________________ e) Same-side interior angles:_____________________________________________________ f) Corresponding Angles:________________________________________________________ g) Linear Pairs:_________________________________________________________________ Determine what kind of angles are given. 2. 4. 3. 5. 14 Secondary II Use the following picture to solve for the given values. 6. If the m<1=80ᵒ, find m<2=_____________________ m<3=_____________________ m<5=_____________________ m<6=_____________________ 7. If the m<1=x+5 and m<8 = x, find x=_______________ m<8=_______________ m<7=______________ Write the theorem that is illustrated by each statement and diagram 8. 10. 9. 15 Secondary II 11. Write the converse of each conditional statement. Then, determine whether the converse is true. a. If two points are collinear, then they are on the same lines. b. If a triangle has two sides with equal lengths, then it is an isosceles triangle. c. If the lengths of the sides of a triangle are 3 cm, 4 cm, and 5 cm, then the triangle is a right triangle. Write the inverse of each conditional statement. Then, determine whether the inverse is true. a. If a triangle is a right triangle, then the sum of the measures of its acute angles is 90º 12. b. If a polygon is a triangle, then the sum of its exterior angles is 360º. c. If two angles are complementary, then the sum of their measures is 90º 13. Write the contrapositive of each conditional statement. Then, determine whether the contrapositive is true. a. If one of the acute angles of a right triangle measures 30º, then it is a 30º - 60º - 90º triangle. b. If a quadrilateral is an isosceles trapezoid, then it has two pairs of congruent base angles. c. If two angles are supplementary, then the sum of their measures is 180º. Use the diagram to write the “Given” and “Prove” statements for each theorem. 14. Given:___________________________________________________________________ Prove:___________________________________________________________________ 15. Given:____________________________________________________________________ Prove:____________________________________________________________________ 16 Secondary II Fill in the missing parts of the given proof 16. 17. 17 Secondary II Review - Chapter 2 Name ___________________________ Identify the specific information, the general information, and the conclusion for each problem situation. 1- You hear from your teacher that spending too much time in the sun without sunblock increases the risk of skin cancer. Your friend Susan spends as much time as she can outside working on her tan without sunscreen, so you tell her that she in increasing her risk of skin cancer when she is older. Specific Information:_________________________________________________________________ General Information:_________________________________________________________________ Conclusion:________________________________________________________________________ 2- Janice tells you that she has been to the mall three times in the past week, and every time there was a lot of people there. "It's always crowded at the mall," she says. Specific Information:_________________________________________________________________ General Information:_________________________________________________________________ Conclusion:_________________________________________________________________________ Determine whether inductive reasoning or deductive reasoning is used in each situation. 3- Isabella sees 5 red fire trucks. She concludes that all fire trucks are red. 4- Miriam has been told that lightning never strikes twice in the same place. During a lightning storm, she sees a tree struck by lightning and goes to stand next to it, convinced that it is the safest place to be. For problems 5 and 6: a. Write the conditional statement in propositional form (If-Then form). b. Identify the hypothesis and the conclusion of the conditional statement. c. Write a converse for part a d. Write an inverse for part a e. Write a contrapositive for part a 5- The measure of an angle is 90°. So, the angle is a right angle. a. b. c. d. e. _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 6- A ray divides an angle into two congruent angles. So, the ray is an angle bisector. a. b. c. d. e. _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 18 Secondary II 7- For each conditional statement, draw a diagram and then write the hypothesis as the "Given" and the conclusion as the "Prove." 8- If ∠𝑄𝑅𝑆 and ∠𝑆𝑅𝑇 are complementary angles, then m∠𝑄𝑅𝑆 + m∠𝑆𝑅𝑇 = 90°. Given: Prove: 9- If ⃗⃗⃗⃗⃗ 𝑃𝐺 bisects ∠𝐹𝑃𝐻, then ∠𝐹𝑃𝐺 ≅ ∠𝐺𝑃𝐻 Given: Prove: 9- Draw a figure to illustrate each term then define the term. a. Supplementary angles d. Complementary angles b. Adjacent angles c. Vertical angles e. Linear pair Solve for x 10- 11- 12- Define the following properties (make sure you know and understand them) a. Transitive Property:______________________________________________________________ b. Reflexive Property:______________________________________________________________ c. Substitution Property:____________________________________________________________ d. Addition Property:_______________________________________________________________ e. Subtraction Property:_____________________________________________________________ 13- Identify the types of angles given the following picture a) Alternate interior angles d) Alternate exterior angles b) Corresponding Angles e) Same side interior angles c) Vertical Angles f) Linear Pair 19 Secondary II 14- Two angles are complementary. The smaller angle is 15⁰ less than the larger angle. What is the measure of the larger angle? 15- Two angles are supplementary. The larger angle is 28⁰ greater than the smaller angle. What is the measure of the smaller angle? 16- Write the converse, inverse and contrapositive for the Alternate Interior Angle Theorem: If a transversal intersects two parallel lines, then the alternate interior angles form are congruent. 17- Use the given information to determine the measures of each of the numbered angles. p ∥ 𝑞 and m∠1 = 54° m<2 = _________ m<3 = __________ m<4 =___________ m<5 = _________ m<6 = __________ m<7 = ___________ m<8 = __________ 18- Use the figure to find all angles given m<5 = 95⁰. m<1=____________ m<2 = __________ m<3 = ___________ m<4 = __________ m<6 = ___________ m<7 = __________ m<8 = ___________ For the following proofs fill in the missing pieces 19- 20 Secondary II 20- Review Problems 21. Write the prime factorization for 24 _____________________ 22. Find the slope between the 2 points (2, -1) and (8, 4) ________________________ 23. Find the x – intercept and y-intercept or the following line. Y = 4x + 8 24. Simplify √24 ________ _____________ _________________________ 25. Solve the system by substitution 𝑦 = 2𝑥 + 1 { 𝑦=3 ________________________ 21 Secondary II Worksheet – After Chapter 2 Test Name __________________________ Simplifying Radical Expressions 22 Secondary II 3.1/3.2 - Worksheet Name ___________________________ Determine the measure of the missing angle in each triangle. 1. 2. 3. List the side lengths from shortest to longest for each diagram. 4. 5. 6. Identify the interior angles, the exterior angle, and the remote interior angles of each triangle. 7. 8. 9. Solve for x in each diagram. 10. 13. 11. 12. 14. 23 Secondary II Use the given information for each triangle to write two inequalities that you would need to prove the Exterior Angle Inequality Theorem. 15. 16. Without measuring the angles, list the angles of each triangle in order from least to greatest measure. 17. 18. 19. Determine whether it is possible to form a triangle using each set of segments with the given measurements. Explain your reasoning. 20. 8, 8, 8 21. 10, 5, 21 22. 4, 5.1, 12.5 23. 112, 300, 190 Write an inequality the expresses the possible lengths of the unknown side of each triangle. 24. 25. 26. 27. a. Give an appropriate name for the angle pair 6 and 8. b. If the measure of angle 6 can be expressed by (13x - 5) degrees and the measure of angle 8 can be expressed by (4x + 40) degrees. Solve for x. c. Then record the measure of all angles in the diagram. 24 Secondary II 3.3/3.4 - Worksheet Name ___________________________ 1. Determine the length of the hypotenuse of each triangle. Write your answer as a radical in simplest form. a. b. 2. Determine the lengths of the legs of each triangle. Write your answer as a radical in simplest form. a. b. 3. Determine the measure of the indicated interior angle. a. 𝑚∠𝐷𝐹𝐸 b. 𝑚∠𝐻𝐴𝐾 c. 𝑚∠𝑇𝑅𝐴 4. Given the short leg, determine the lengths of the long leg and the hypotenuse of each triangle. Write your answer as a radical in simplest form. a. b. 5. Given the hypotenuse, determine the lengths of the two legs of each triangle. Write your answer as a radical in simplest form. a. b. 6. Given the long leg, determine the lengths of the short leg and the hypotenuse of each triangle. Write your answer as a radical in simplest form. a. b. 25 Secondary II 7. Determine the area of each triangle. a. b. 8. Soren is flying a kite on the beach. The string forms a 45º angle with the ground. If he has let out 16 meters of line how high above the ground is the kite? 9. The perimeter of the square is 32 centimeters. Calculate the length of its diagonal. 10. Find the slope of the line through the points (5, -4) and (-9, -2). Write the equation of the line. 11. Multiply and simplify: 5√8𝑥 ∙ 3√2𝑥 5 12. Calculate the distance between the points (8, -7) and (20, 9). Sketch and label a triangle for each row, and fill in the missing information. A 13. 45 14. 30 16. 60 17. b Sketch & Label Triangle 12 6 10 45 8√3 18 30 60 c 8 60 19. 20. a 45 15. 18. B 16 24 26 Secondary II 4.1/4.2 - Worksheet Name ___________________________ 1. 2. Given the image and pre-image, determine the scale factor. a. b. 3. Use quadrilateral ABCD shown on the grid to complete part (a) through part (c). a. On the grid, draw the image of quadrilateral ABCD dilated using a scale factor of 3 with the center of dilation at the origin. Label the image JKLM. b. On the grid, draw the image of quadrilateral ABCD dilated using a scale factor of 0.5 with the center of dilation at the origin. Label the image WXYZ. c. Identify the coordinates of the vertices of quadrilaterals JKLM and WXYZ. 27 Secondary II 4. The vertices of trapezoid WXYZ are W(-1, 2), X(-3, -1), Y(5, -1), and Z(3, 2). Without drawing the figure, determine the coordinates of the vertices of the image of trapezoid WXYZ dilated using a scale factor of 5 with the center of the dilation at the origin. Explain your reasoning. 5. The vertices of triangle ABC are A(-6, 15), B(0, 5), and C(3, 10). Without drawing the figure, 1 determine the coordinates of the vertices of the image ABC dilated using a scale factor of 3 with center of dilation at the origin. Explain your reasoning. 6. The vertices of hexagon PQRSTV are P(-5, 0), Q(-5, 5), R(0, 7), S(5, 2), T(5, -2), and V(0,-5). Without drawing the figure, determine the coordinates of the vertices of the image of hexagon PQRSTV dilated about the origin using a scale factor of 4.2. Explain your reasoning. 7. Give an example of each term. Include a sketch with each example. a. Angle-Angle Similarity Theorem b. Side-Side-Side Similarity Theorem c. Side-Angle-Side Similarity Theorem d. Included angle e. Included side 8. Explain how you know that the triangles are similar. a. b. c. 9. What information would you need to use the Side-Angle-Side Similarity Theorem to prove that the triangles are similar? 10. What information would you need to use the Angle-Angle Similarity Theorem to prove that the triangles are similar? 11. What information would you need to use the Side-Side-Side Similarity Theorem to prove that the triangles are similar? 28 Secondary II 12. Determine whether each pair of triangles is similar. Explain your reasoning. a. b. c. d. Sketch and label a triangle for each row, and fill in the missing information. A 13 14 B 60 16 30 17 30 20 Sketch & Label Triangle 14√3 2.6 8√3 45 53√2 60 60 c 20 30 19 b 4√3 45 15 18 a 25 15√3 29 Secondary II 4.3/4.4 - Worksheet Name ___________________________ Match each definition to its corresponding term. 1. 2. 3. 4. 5. Angle Bisector/Proportional Side Theorem Triangle Proportionality Theorem Converse of the Triangle Proportionality Theorem Proportional Segments Theorem Triangle Midsegment Theorem __________ __________ __________ __________ __________ a. If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally. b. A bisector of an angle in a triangle divides the opposite side into two segments whose lengths are in the same ratio as the lengths of the sides adjacent to the angle. c. If a line divides two sides of a triangle proportionally, then it is parallel to the third side. d. The midsegment of a triangle is parallel to the third side of the triangle and half the measure of the third side of the triangle e. If three parallel lines intersect two transversals, then they divide the transversals proportionally. Calculate the length of the indicated segment in each figure. #6 - 10 6. bisects . Calculate 7. HF. 9. bisects XW. bisects . Calculate AD. . Calculate 10. bisects . Calculate SP. bisects FD. 8. . Calculate 11. Use the Triangle Proportionality Theorem and the Proportional Segments Theorem to determine the missing value. 30 Secondary II Use the Triangle Proportionality Theorem and the Proportional Segments Theorem to determine the missing value. 12. 13. 14. Jimmy is hitting a golf ball towards the hole. The line from Jimmy to the hole bisects the angle formed by the lines from Jimmy to the oak tree and from Jimmy to the sand trap. The oak tree is 200 yards from Jimmy, the sand trap is 320 yards from Jimmy, and the hole is 250 yards from the sand trap. How far is the hole from the oak tree? 15. The road from Central City on the map shown bisects the angle formed by the roads from Central City to Minville and from Central City to Oceanview. Central City is 12 miles from Oceanview, Minville is 6 miles from the beach, and Oceanview is 8 miles from the beach. How far is Central City from Minville? Use the diagram and given information to write two statements that can be justified using the Triangle Midsegment Theorem. Hint: parallel lines, length of bases. Give the side length asked for. 16. 17. If DE is 4.3 cm, AC = ? If RV = 7, RS = 22, RW = ? Given: RST is a triangle Given: ABC is a triangle V is the midpoint of D is the midpoint of W is the midpoint of E is the midpoint of BC 31 Secondary II 18. The sides of triangle LMN have midpoints , and Use each similarity statement to write the corresponding sides of the triangles as proportions. . Compare 19. the length of to the length of . 20. 21. Solve for x. 23. Solve for x. 22. Solve for x. 24. Solve for x, y, and z. 25. Solve for x, y, and z. 26. Marsha wants to walk from the parking lot through the forest to the clearing, as shown in the diagram. She knows that the forest ranger station is 154 feet from the flag pole and the flag pole is 350 feet from the clearing. How far is the parking lot from the clearing? 32 Secondary II 27. Discuss the similarities and differences in the graphs of the two exponential functions. Use complete sentences. y 5 x and y 5x 2 3 28. Given: List the Following: a) 2 pairs of corresponding angles b) 2 pairs of vertical angles c) 1 pair of alternate exterior angles d) 1 pair of same side exterior angles e) If the lines are parallel and 𝑚∠2 = 51°, record the measure of all the angles in the diagram. 29. Given the diagram: 30. Would following side lengths make a triangle? 21, 13, 33 If yes, give a name for the type of triangle. 𝑚∠𝑊𝑋𝑍 = 131°, and 𝑚∠𝑌 = 42°, Find the measure of angle Z. Show your work. 31. Do the following side lengths form a right triangle? Justify your answer/show work! 12, 13, 5 33 Secondary II 4.5/4.6 - Worksheet Name ___________________________ Explain how you know that each pair of triangles is similar. 1. 2. 3. 4. Elly and Jeff are on opposite sides of a canyon that runs east to west, according to the graphic. They want to know how wide the canyon is. Each person stands 10 feet from the edge. Then, Elly walks 24 feet west, and Jeff walks 360 feet east. What is the width of the canyon? 5. Zoe and Ramon are hiking on a glacier. They become separated by a crevasse running east to west. Each person stands 9 feet from the edge. Then, Zoe walks 48 feet east, and Ramon walks 12 feet west. What is the width of the crevasse? 6. Minh wanted to measure the height of a statue. She lined herself up with the statue’s shadow so that the tip of her shadow met the tip of the statue’s shadow. She marked the spot where she was standing. Then, she measured the distance from where she was standing to the tip of the shadow, and from the statue to the tip of the shadow. What is the height of the statue? 6. Dimitri wants to measure the height of a palm tree. He lines himself up with the palm tree’s shadow so that the tip of his shadow meets the tip of the palm tree’s shadow. Then, he asks a friend to measure the distance from where he was standing to the tip of his shadow and the distance from the palm tree to the tip of its shadow. What is the height of the palm tree? 7. Andre is making a map of a state park. He finds a small bog, and he wants to measure the distance across the widest part. He first marks the points A, C, and E. Andre measures the distances shown on the image. Andre also marks point B along AC and point D along AE, such that BD is parallel to CE. What is the width of the bog at the widest point? 34 Secondary II 8. Shira finds a tidal pool while walking on the beach. She wants to know the maximum width of the tidal pool. Using indirect measurement, she begins by marking the points A, C, and E. Shira measures the distances shown on the image. Next, Shira marks point B along AC and point D along AE, such that BD is parallel to CE. What is the distance across the tidal pool at its widest point? 9. Keisha is visiting a museum. She wants to know the height of one of the sculptures. She places a small mirror on the ground between herself and the sculpture, then she backs up until she can see the top of the sculpture in the mirror. What is the height of the sculpture? 10. Micah wants to know the height of his school. He places a small mirror on the ground between himself and the school, then he backs up until he can see the highest point of the school in the mirror. What is the height of Micah’s school? Review. 11. Marsha wants to walk from the parking lot through the forest to the clearing, as shown in the diagram. She knows that the forest ranger station is 154 feet from the flag pole and the flag pole is 350 feet from the clearing. How far is the parking lot from the clearing? 13. Use the Right Triangle/Altitude Similarity Theorem to write three 14. Given XU = 9, XY = 18, ZT = 7.5, ZY = 15, TU = 10.5, ZX = ? similarity statements involving the triangles in the diagram. 35 Secondary II 15. Find the missing value. 17. has vertices J(6, 2), K(1, 3), and 16. bisects . Calculate YW. 18. Given: xy = 10. Find all the missing side lengths. L(7, 0). What are the vertices of the image y after a dilation with a scale factor of 12 60 using the origin as the center of dilation? 45 x z w 19. Given 𝑚∠𝑌 = 47°, 𝑚∠𝑍 = 69°. 20. Would it be possible to form a triangle with segments that are 4 cm, √3 cm, and √7 cm? Justify with work. 21. Would the side lengths above form a right triangle? Justify with work. What side length of the triangle is the longest? Give the measure of angle ZXW. 22. Factor: 9a3b5 6a 2b4 24. Given: 𝑚∠6 = 122° and line P is parallel to line R. Find the measures of all remaining angles in the diagram. 23. Multiply: 2 4 5 4 25. Prove the Pythagorean Theorem using similar triangles. Given: ∆ABC with right angle C Place side a along the diameter of a circle of radius c so that B is at the center of the circle. 36 Secondary II Review - Chapter 3/4 Name __________________________ 1. Determine the measure of the missing angle in each triangle. a. b. w y z 2. List the side lengths from shortest to longest for each diagram. a. b. 3. What is the order from least to greatest of the measures of angles of the triangle shown? 4. Identify the interior angles, the exterior angle, and the remote interior angles of each triangle. 5. Solve for x in each diagram. a. b. 6. Determine whether it is possible to form a triangle using each set of segments with the given measurements. Explain your reasoning a. 8 feet, 9 feet, 11 feet b. 4 meters, 5.1 meters, 12.5 meters c. 10 yards, 5 yards, 21 yards 37 Secondary II 7. Determine the length of the missing sides for each special right triangle. Write your answer as a radical in simplest form. a. b. c. d. 8. Prospect Park is a square with side lengths of 512 meters. One of the paths through the park runs diagonally from the northeast corner to the southwest corner, and it divides the park into two 45 0 – 45 0 – 900 triangles. How long is that path? 9. Determine the area the triangle. 10. Universal Sporting Goods sells pennants in the shape of 30º– 60º– 90º triangles. The length of the longest side of each pennant is 8 inches. What is the area of the pennant? 11. Given the image and the pre-image, determine the scale factor. a. b. 38 Secondary II 12. ∆GHI has vertices G(0, 5), H(4, 2), and I(3, 3). What are the vertices of the image after dilation with a scale factor of 9 using the origin as the center of dilation? 13. Explain how you know that the triangles are similar. a. b. 14. What information would you need to use the Angle-Angle Similarity Theorem to prove that the triangles are similar? 15. What information would you need to use the Side-Angle-Side Similarity Theorem to prove that the triangles are similar? 16. What information would you need to use the Side-Side-Side Similarity Theorem to prove that the triangles are similar? 17. Determine whether each pair of triangles is similar. Explain your reasoning. a. b. c. 39 Secondary II 18. Calculate the length of the indicated segment in the figure. a. b. c. 19. On the map shown, Willow Street bisects the angle formed by Maple Avenue and South Street. Mia’s house is 5 miles from the school and 4 miles from the fruit market. Rick’s house is 6 miles from the fruit market. How far is Rick’s house from the school? 20. Explain how you know how the pair of triangles is similar. 21. You want to measure the height of a tree at the community park. You stand in the tree’s shadow so that they tip of your shadow meets the tip of the tree’s shadow on the ground, 2 meters from where you are standing. The distance from the tree to the tip of the tree’s shadow is 5.4 meters. You are 1.25 meters tall. Draw a diagram to represent the situation. Then, determine the height of the tree. 40 Secondary II Worksheet - After Chapter 3/4 - TEST Name __________________________________ Parallel Lines with Transversals, Factoring & Simplifying 1. Given two parallel lines crossed by a transversal, identify the relationship of each pair of marked angles. a. b. c. 2. Find the measure of each angle indicated. a. c. 3. Solve for x. a. b. d. b. 41 Secondary II 4. Find the measure of the angle indicated in bold. a. c. b. d. 5. Write the prime factorization of each. Do not use exponents. a. b. c. d. e. f. 6. Find the GCF of each. a. 7. Factor by finding the GCF. a. b. c. b. c. d. e. f. 42 Secondary II 5.1-5.6 - Worksheet Name ___________________________ 1. List the corresponding sides and angles, using congruence symbols, for each pair of triangles represented by the given congruence statement. a. ∆𝐴𝐸𝑈 ≅ ∆𝐵𝐶𝐷 b. ∆𝐽𝐾𝐿 ≅ ∆𝑅𝑆𝑇 2. Determine whether each pair of given triangles are congruent by SSS. Use the Distance Formula and a protractor when necessary. 3. Perform the transformation described. Then, verify that the triangles are congruent by SSS. Use the Distance Formula and a protractor when necessary. Rotate ∆𝐷𝐸𝐹 180° clockwise about the origin to form ∆𝑄𝑅𝑆. Verify that ∆𝐷𝐸𝐹 ≅ ∆𝑄𝑅𝑆 by SSS. 4. 43 Secondary II 5. 6. Translate ∆𝐷𝐸𝐹 11 units to the left and 10 units down to form ∆𝑄𝑅𝑆. Verify that ∆𝐷𝐸𝐹 ≅ ∆𝑄𝑅𝑆 by SAS. 7. Determine the angle measure or side measure that is needed in order to prove that each set of triangles are congruent by SAS. a. b. c. d. 8. Determine whether there is enough information to prove that each pair of triangles are congruent by SSS or SAS. Write the congruence statements to justify your reasoning. a. b. 44 Secondary II c. d. 9. 10. 11. 45 Secondary II 12. Determine the angel measure or side measure that is needed in order to prove that each set of triangles are congruent by ASA. a. b. c. 13. d. 14. 15. 46 Secondary II 16. Determine the angle measure or side measure that is needed in order to prove that each set of triangles are congruent by AAS. a. b. c. d. 17. Determine whether there is enough information to prove that each pair of triangles are congruent by ASA or AAS. Write the congruence statements to justify your reasoning. a. b. c. d. 47 Secondary II 5.7 - Worksheet Name _______________________________ 1. Given: ̅̅̅̅ 𝐴𝐵 ⊥ ̅̅̅̅ 𝐶𝑅 , ∠𝐴 ≅ ∠𝐵 Prove: ∆𝐶𝐴𝑅 ≅ ∆𝐶𝐵𝑅 4. Given: 𝐸 is the midpoint of ̅̅̅̅ 𝐴𝐺 and ̅̅̅̅̅ 𝑀𝑇 Prove: ∆𝐴𝑇𝐸 ≅ ∆𝐺𝑀𝐸 M B A C A Statements E R T Reasons Statements Reasons 5. Given: 𝐶 is the midpoint of ̅̅̅̅ 𝐵𝐸 and ∠𝐵 ≅ ∠𝐸 Prove: ∆𝐴𝐵𝐶 ≅ ∆𝐷𝐸𝐶 E ̅̅̅̅ , 𝑁 is the midpoint of ̅̅ ̅̅̅ 2. Given: ̅̅̅̅ 𝐵𝐸 ≅ ̅𝐾𝐸 𝐵𝐾 Prove: ∆𝐵𝐸𝑁 ≅ ∆𝐾𝐸𝑁 E A B C D K N Statements G Reasons B Statements ̅̅̅̅ ≅ ̅̅̅̅̅ ̅̅̅̅ bisects ∠𝐴𝐾𝐷 3. Given: ̅𝐴𝐾 𝐷𝐾 , ̅𝑅𝐾 Prove: ∆𝐴𝑅𝐾 ≅ ∆𝐷𝑅𝐾 A R D Reasons ̅̅̅̅, 𝑀𝐶 ̅̅̅̅̅ ≅ 𝐸𝐶 ̅̅̅̅ 6. Given: ̅̅̅̅̅ 𝐴𝑀 ≅ 𝐴𝐸 Prove: ∆𝑀𝐴𝐶 ≅ ∆𝐸𝐴𝐶 A M E K Statements C Reasons Statements Reasons 48 Secondary II 7. Given: ̅̅̅̅ 𝐵𝐷 bisects ∠𝐴𝐵𝐶 and ∠𝐴𝐷𝐶 Prove: ∆𝐴𝐵𝐷 ≅ ∆𝐶𝐵𝐷 B 10. Given: ̅̅̅ 𝐾𝐽 ≅ ̅̅̅̅̅ 𝑁𝑀 Prove: ∆𝐽𝐾𝐿 ≅ ∆𝑀𝑁𝐿 K A C L D Statements M J Reasons N Statements ̅̅̅̅, ̅̅̅̅ 8. Given: ̅̅̅̅ 𝑋𝑌 ≅ 𝑅𝑇 𝑋𝑍 ≅ ̅̅̅ 𝑅𝑆̅ ̅̅̅̅ and ̅̅̅̅ 11. Given: ̅𝐷𝐹 𝐸𝐹 are legs of an isosceles ∆ ∠𝐷𝐹𝐺 ≅ ∠𝐸𝐹𝐺 Prove: ∆𝑋𝑌𝑍 ≅ ∆𝑅𝑇𝑆 T Reasons Z X Prove: ∆𝐷𝐹𝐺 ≅ ∆ D F E G R S Statements Y ̅̅̅̅ ≅ 𝐶𝐸 ̅̅̅̅ 9. Given: ̅̅̅̅ 𝐴𝐵 ≅ ̅̅̅̅ 𝐴𝐷 ≅ 𝐶𝐵 ̅̅̅̅ and 𝐵𝐷 ̅̅̅̅ are two legs of an isosceles ∆ 𝐵𝐸 Prove: ∆𝐴𝐵𝐷 ≅ ∆𝐶𝐵𝐸 C B E Statements Statements Reasons Reasons P Q R S A D Reasons 12. Given: ̅̅̅̅ 𝑃𝑄 ∥ ̅̅̅̅ 𝑆𝑅 , ̅̅̅̅ 𝑃𝑄 ⊥ ̅̅̅̅ 𝑄𝑆 , ̅̅̅̅ 𝑃𝑅 ⊥ ̅̅̅̅ 𝑅𝑆 Prove: ∆𝑃𝑄𝑆 ≅ ∆𝑆𝑅𝑃 Statements Reasons 49 Secondary II ̅̅̅̅ ≅ ̅̅̅̅ ̅̅̅̅ ⊥ ̅̅̅̅ 13. Given: ̅𝐷𝐸 𝐸𝐺 , ̅̅̅̅ 𝐹𝐺 ⊥ ̅̅̅̅ 𝐸𝐺 , ̅𝐷𝐸 𝐹𝐺 Prove: ∆𝐷𝐸𝐺 ≅ ∆𝐹𝐺𝐸 E 15. Given: ̅̅̅̅̅ 𝐾𝑀 bisects ∠𝐽𝑀𝐿 Prove: ∆𝐽𝐾𝑀 ≅ ∆𝐿𝐾𝑀 D K J G L F Statements Reasons M Statements 14. Given: ∠𝑁 ≅ ∠𝐷, ∠𝑁𝑀𝑍 ≅ ∠𝐷𝑍𝑀 Prove: ∆𝑁𝑀𝑍 ≅ ∆𝐷𝑍𝑀 M D Reasons ̅̅̅̅ ≅ 𝐷𝐵 ̅̅̅̅, 𝐵𝐶 ̅̅̅̅ ≅ 𝐵𝐸 ̅̅̅̅ , ∠𝐴𝐵𝐶 ≅ ∠𝐷𝐵𝐸 16. Given: 𝐴𝐵 Prove: ∆𝐴𝐵𝐶 ≅ ∆𝐷𝐵𝐸 A B N Z C E Statements Reasons D Statements Reasons 50 Secondary II 6.1/6.2 Worksheet Name _________________________ Choose the diagram that models each right triangle congruence theorem. 1. Hypotenuse-Leg (HL) Congruence Theorem __________ 2. Leg-Leg (LL) Congruence Theorem __________ 3. Hypotenuse-Angle (HA) Congruence Theorem __________ 4. Leg-Angle (LA) Congruence Theorem __________ 5. Mark the appropriate sides to make each congruence statement true by the Hypotenuse-Leg Congruence Theorem. a. b. 6. Mark the appropriate sides to make each congruence statement true by the Leg-Leg Congruence Theorem. a. b. 7. Mark the appropriate sides and angles to make each congruence statement true by the Hypotenuse-Angle Congruence Theorem. a. b. 51 Secondary II 8. Mark the appropriate sides and angles to make each congruence statement true by the Leg-Angle Congruence Theorem. a. b. 9. For each figure, determine if there is enough information to prove that the two triangles are congruent. If so, name the congruence theorem used. a. b. c. 10. An auto dealership displays one of their cars by driving it up a ramp onto a display platform. Later they will drive the car off the platform using a ramp on the opposite side. Both ramps form a right triangle with the ground and the platform. Is there enough information to determine whether the two ramps have the same length? Explain. 52 Secondary II 11. Two ladders resting on level ground are leaning against the side of a house. The bottom of each ladder is exactly 2.5 feet directly out from the base of the house. The point at which each ladder rests against the house is 10 feet directly above the base of the house. Is there enough information to determine whether the two ladders have the same length? Explain. 12. Create a two-column proof to prove each statement. a. Statement Reason Statement Reason Statement Reason Statement Reason b. c. d. 53 Secondary II 13. Use the given information to answer each question. a. Calculate MR given that the perimeter of ∆HMR is 60 centimeters. b. Greta has a summer home on Lake Winnie. Using the diagram, how wide is Lake Winnie? c. Given rectangle ACDE, calculate the measure of ∠𝐶𝐷𝐵. 14. Are the two triangles congruent by SSS? Use the distance formula to prove. 15. Determine the length of the missing sides for each special right triangle. Write your answer as a radical in simplest form. a. b. c. 54 Secondary II 16. Identify the types of angles given the following picture. Determine the angle relationships. a. Alternate interior angles b. Alternate exterior angles c. Corresponding Angles d. Same side interior angles 17. Solve and graph the inequality 6x 7 2x 17 18. Tell whether ordered pair (4, 1) is a solution of the system. Show your work. f(x) = { x 2y 6 3 x y 11 2𝑥 − 3𝑦 ≤ 12 19. Sketch the solution to the system of inequalities 𝑓(𝑥) = { 𝑥 + 5𝑦 < 20 55 Secondary II 6.3/6.4 - Worksheet Name _________________________ 1. Choose the term from the box that best completes each sentence. a. A(n) __________________________________________________is the angle formed by the two congruent legs in an isosceles triangle. b. In an isosceles triangle, the altitudes to the congruent sides are congruent, as stated in the __________________________________________________. c. In an isosceles triangle, the angle bisectors to the congruent sides are congruent, as stated in the__________________________________________________. d. The__________________________________________________ states that the altitude from the vertex angle of an isosceles triangle is the perpendicular bisector of the base. e. The __________________________________________________states that the altitude to the base of an isosceles triangle bisects the base. f. The altitude to the base of an isosceles triangle bisects the vertex angle, as stated in the __________________________________________________. 2. Write the theorem that justifies the truth of each statement. a. b. 3. Determine the value of x in each isosceles triangle. a. b. 4. Use the given information to answer each question. a. When building a house, rafters are used to support the roof. The rafter shown in the diagram has the shape of an isosceles triangle. In the diagram, 𝑁𝑃 ⊥ 𝑅𝑄, 𝑁𝑅 ≅ 𝑁𝑄, NP =12 feet, and RP=16 feet. Use this ̅̅̅̅. Explain. information to determine the length of 𝑁𝑄 56 Secondary II b. While growing up, Nikki often camped out in her back yard in a pup tent. A pup tent has two rectangular sides made of canvas, and a front and back in the shape of two isosceles triangles also made of canvas. The zipper in front, represented by ̅̅̅̅̅ 𝑀𝐺 in the diagram, is the height of the pup tent and the altitude of isosceles ∆𝐸𝑀𝐻. If the length of̅̅̅̅̅ 𝐸𝐺 is 2.5 ̅̅̅̅ ? Explain. feet, what is the length of 𝐻𝐺 5. For each pair of triangles, use the Hinge Theorem or its converse to write a conclusion using an inequality. a. b. 6. Which of the following is not a geometric sequence? a. 424, 106, 26.5, 6.625, . . . b. 5 2 , 5, 10, 20, . . . c. 8, -16, 32, -64, . . . d. -7, -8, -9, -10 . . . 7. Solve each system of equations by elimination. a. 3x 5 y 8 2 x 5 y 22 10 x 6 y 6 5 x 5 y 5 b. 8. Solve. a. –3x + 7 = 31 b. 3(5 4 x 4 x) 9(2 x 8) 21 9. Graph the solution of the inequality −𝑦 + 15 ≥ −3 − 2𝑦 ? <----------------------------------------------> 10. Write a statement that indicates that the triangles are congruent 11. Solve for x in each diagram. a. b. c. 57 Secondary II Review - Chapter 5/6 Name ___________________________ 1. Which set of congruence statements show that ∆𝑅𝑇𝑆 ≅ ∆𝑉𝑋𝑊 by the AAS Congruence Theorem? 2. 3. List the corresponding sides and angles, using congruence symbols, for each pair of triangles if 4. Are the two triangles congruent by SSS? Use the distance formula to prove. 58 Secondary II 5. Are the two triangles congruent by SAS? Use the distance formula and a protractor. 6. Are the two triangles congruent by ASA? Use the distance formula and a protractor. For the following problems, prove the triangles are congruent by SSS, SAS, AAS, ASA. ̅̅̅̅ 7. Given: ̅̅̅̅ 𝐵𝐸 ≅ ̅̅̅̅ 𝐾𝐸 ; 𝑁 𝑖𝑠 𝑡ℎ𝑒 𝑚𝑖𝑑𝑝𝑜𝑖𝑛𝑡 𝑜𝑓 𝐵𝐾 8. Prove: ∆𝐵𝐸𝑁 ≅ ∆𝐾𝐸𝑁 59 Secondary II 9. Given: RS bisects ∠𝑄𝑅𝑇 𝑎𝑛𝑑 ∠𝑄𝑆𝑇 Prove: ∆QRS ≅ ∆TRS 11. Prove: ∆𝐴𝐶𝐵 ≅ ∆𝐷𝐶𝐸 Triangle BUN is isosceles with ̅̅̅̅ 𝐵𝑈 ≅ ̅̅̅̅ 𝐵𝑁 . What additional given information is needed to prove ∆𝐵𝑈𝐺 ≅ ∆𝐵𝑁𝐴 by ASA? a. ∠𝑈𝐵𝐴 b. ∠𝑈𝐵𝐺 c. ∠𝐵𝐺𝑈 d. ∠𝐵𝑈𝐺 12. 10. Given: C is the midpoint of BE; ∠𝐴 ≅ ∠𝐷 ≅ ∠𝑁𝐵𝐺 ≅ ∠𝑁𝐵𝐴 ≅ ∠𝐵𝐴𝑁 ≅ ∠𝐵𝑁𝐴 ̅̅̅̅ ≅ 𝑅𝑆 ̅̅̅̅. Which of the following is not true? In the figure shown, 𝐷𝑇 a. ∠𝑆 ≅ ∠𝑇 ̅̅ ≅ 𝐺𝑇 ̅̅̅̅ b. ̅̅ 𝐺𝑆 c. ∆𝐺𝑆𝑇 is not isosceles. d. ∠𝐷𝐺𝑇 ≅ ∠𝑅𝐺𝑆 Matching Choose the diagram that models each right triangle congruence theorem. 13. Hypotenuse-Leg (HL) Congruence Theorem 14. Leg-Leg (LL) Congruence Theorem 15. Hypotenuse-Angle (HA) Congruence Theorem 16. Leg-Angle (LA) Congruence Theorem 60 Secondary II Free Response 17. In the figure shown, ̅̅̅̅ 𝑄𝑋 ⊥ ̅̅̅̅ 𝑋𝑃, ̅̅̅̅ 𝑅𝑃 ⊥ ̅̅̅̅ 𝑋𝑃, ̅̅̅̅ 𝑄𝑇 ≅ ̅̅̅̅ 𝑅𝑆, 𝑎𝑛𝑑 ̅̅̅̅ 𝑋𝑆 ≅ ̅̅̅̅ 𝑇𝑃 . Determine whether ∆𝑋𝑄𝑇 is congruent to ∆𝑃𝑅𝑆. Explain your reasoning. 18. Using the figure shown, determine whether ∆𝐻𝐴𝑊 ≅ ∆𝑇𝐴𝑊. Explain your reasoning. 19. Statement 20. Reason Mark the appropriate sides to make each congruence statement true by the Hypotenuse-Leg Congruence Theorem. a. b. 21. Mark the appropriate sides to make each congruence statement true by the Leg-Leg Congruence Theorem. a. b. 61 Secondary II 22. Mark the appropriate sides and angles to make each congruence statement true by the HypotenuseAngle Congruence Theorem. a. b. 23. Mark the appropriate sides and angles to make each congruence statement true by the Leg-Angle Congruence Theorem. a. b. 24. For each figure, determine if there is enough information to prove that the two triangles are congruent. If so, name the congruence theorem used. a. b. Determine if the following triangles are congruent. If so, determine if they are congruent by SSS, SAS, ASA, or AAS. Write the congruence statements to justify your reasoning. 62 Secondary II 31. 32. Determine the value of x in the isosceles triangle. 33. . 63 Secondary II Review 1. For each pair of triangles, tell if you are using the Hinge Theorem or its converse, then write a conclusion using an inequality, a. b. 2. Write a Given statement and state the theorem that proves the triangles are congruent. Then, write a congruence statement. Given: _____________________________________________ Theorem: __________________________________________ Statement: _________________________________________ 3. Determine the relationship between ∠4 𝑎𝑛𝑑 ∠8 and wriite a postulate or theorem that justifies your answer. _________________________________________________ ________________________________________________ Use the graph for question 4. 4. a. Rotate ∆𝐴𝐵𝐶, about the origin, 270° clockwise, to create ∆𝑋𝑌𝑍. b. Translate ∆𝐴𝐵𝐶 up 12 and left 14 to create ∆𝑅𝑆𝑇. c. Reflect ∆𝐴𝐵𝐶 across the y-axis to create ∆𝐷𝐸𝐹 5. Find the distance and the midpoint of A (-1, 5) and B (11, -3). Do not use decimals. 64 Secondary II Worksheet – After Chapter 5/6 Test Name _____________________ 1. 2. 3. 4. 5. Graph the image of the figure using the transformation given. a. b. 6. Find the GCF of each. a. b. c. d. 7. Each pair of figures is similar. Find the missing side. a. b. 65 Secondary II 7.1/7.2/7.3 - Worksheet Name ___________________________ Use the given statements and the Perpendicular/Parallel Line Theorem to identify the pair of parallel lines in each figure. 1. 2. 3. Complete each statement for square GKJH. Complete each statement for rectangle TMNU. 66 Secondary II Complete each statement for parallelogram MNPL. Complete each statement for rhombus UVWX. Determine the missing statement needed to prove each quadrilateral is a parallelogram by the Parallelogram/Congruent-Parallel Side Theorem. Complete each statement for kite PRSQ. 67 Secondary II Write the term from the box that best completes each statement. 26. The ________________________ are either pair of angles of a trapezoid that share a base as a common side. 27. A(n) ________________________ is a trapezoid with congruent non-parallel sides. 28. A(n) _________________________ is a statement that contains if and only if. 29. The _________________________ of a trapezoid is a segment formed by connecting the midpoints of the legs of a trapezoid. Complete each statement for trapezoid UVWX. Use the given figure to answer each question. 33. 34. 35. 68 Secondary II 36. 37. 38. 39. 40. Simon connected a square and two congruent right triangles together to form an isosceles trapezoid. Draw a diagram to represent the isosceles trapezoid. 69 Secondary II 7.4/7.5 - Worksheet Name ___________________________ Draw all possible diagonals from vertex A for each polygon. Then write the number of triangles formed by the diagonals. 4. 5. 6. Calculate the sum of the interior angle measures of each polygon. 7. A polygon has 8 sides. 8. A polygon has 16 sides. 9. A polygon has 25 sides. 70 Secondary II The sum of the measures of the interior angles of a polygon is given. Determine the number of sides for each polygon. 10. 1800° 11. 1260° 12. 6840° For each regular polygon, calculate the measure of each of its interior angles. Calculate the number of sides for each polygon. 16. The measure of each angle of a regular polygon is 156°. 17. The measure of each angle of a regular polygon is 162°. 18. The measure of each angle of a regular polygon is 165.6°. Extend each vertex of the polygon to create one exterior angle at each vertex. Calculate the sum of the measures of the exterior angles for each polygon. 22. hexagon 23. Nonagon 24. 150-gon Given the measure of an interior angle of a polygon, calculate the measure of the adjacent exterior angle. 25. What is the measure of an exterior angle if it is adjacent to an interior angle of a polygon that measures 120°? 26. What is the measure of an exterior angle if it is adjacent to an interior angle of a polygon that measures 135°? Given the regular polygon, calculate the measure of each of its exterior angles. 27. What is the measure of each exterior angle of a regular pentagon? 28. What is the measure of each exterior angle of a regular octagon? 29. What is the measure of each exterior angle of a regular 12-gon? Calculate the number of sides of the regular polygon given the measure of each exterior angle. 30. 90° 31. 60° 32. 30° 71 Secondary II 7.6 - Worksheet Name ___________________________ List all of the quadrilaterals that have the given characteristics. 1. diagonals congruent 2. no parallel sides 3. diagonals bisect each other 4. all angles congruent 5. two pairs of parallel sides Identify all the terms from the following list that apply to each figure: quadrilateral, parallelogram, rectangle, square, trapezoid, rhombus, kite. 6. 7. 8. 9. 10. Give the most specific name that best describes each quadrilateral. Explain your answer. 11. 12. 14. 13. 15. Tell whether each statement is true or false. If false, explain why. 16. A square is also a rhombus. 17. Diagonals of a rectangle are perpendicular. 18. A parallelogram has exactly one pair of opposite angles congruent. 19. A square has diagonals that are perpendicular and congruent. 72 Secondary II 20. All quadrilaterals have supplementary consecutive angles. 21. Calculate the sum of the interior angles of a polygon that has 13 sides. 22. How many sides does a polygon have if the sum of the measures of the interior angles is 3240°? 23. Calculate the measure of the interior angles for the given polygon. 24. Calculate the number of sides a regular polygon has if the measure of each angle is 160°. 25. Calculate the sum of the measures of the exterior angles of a 20-gon. 26. What is the measure of an exterior angle if it is adjacent to an interior angle of a polygon that measures 108°? 27. What is the measure of each exterior angle of a regular decagon? 28. Calculate the number of sides a regular polygon has if each exterior angle measures 40°. 73 Secondary II Review - Chapter 7 1. Quadrilateral VWXY is a square a) b) c) d) e) Name all parallel segments. Name all congruent segments. Name all right angles. Name all congruent angles. Name all congruent triangles. Name ___________________________ 2. Quadrilateral PQRS is a rectangle a) Name all parallel segments. b) Name all congruent segments. c) Name all right angles. d) Name all congruent angles. e) Name all congruent triangles. 3. Quadrilateral PLGM is a parallelogram 4. Quadrilateral RHMB is a rhombus a) If m∠𝑃𝐿𝐺 = 124°, what is 𝑚∠𝐺𝑀𝑃? a) If 𝑚∠𝐻𝑅𝐵 𝑖𝑠 70°, what is 𝑚∠𝐻𝑀𝐵? b) If 𝑚∠𝐿𝑃𝑀 = 56°, what is 𝑚∠𝐿𝐺𝑀? b) If 𝑚∠𝑅𝐻𝐵 = 55°, what is ∠𝑀𝐻𝐵? ̅̅̅̅ = 20 meters, what is 𝑀𝑃 ̅̅̅̅̅? c) If 𝐿𝐺 ̅̅̅̅ = 25 𝑓𝑒𝑒𝑡, what is 𝐻𝑅? ̅̅̅̅̅̅ c)If 𝑅𝐵 d) If ̅̅̅̅ 𝑃𝑅 = 12 𝑖𝑛𝑐ℎ𝑒𝑠, what is ̅̅̅̅ 𝐺𝑅? d) If ̅̅̅̅ 𝐻𝑆 = 18 𝑐𝑚, what is ̅̅̅̅ 𝑆𝐵? e) What is 𝑚∠𝑅𝑆𝐵? 5. Quadrilateral ABCD is a kite 6. Quadrilateral WXYZ is an isosceles trapezoid a) If 𝑚∠𝐴𝐵𝐶 = 95°, what is 𝑚∠𝐴𝐷𝐶? a) If 𝑚∠𝑋𝑊𝑍 = 66°, what is 𝑚∠𝑌𝑍𝑊? b) If 𝑚∠𝐵𝐶𝐸 = 34°, what is 𝑚∠𝐸𝐵𝐶? ̅̅̅̅̅ = 10 𝑖𝑛𝑐ℎ𝑒𝑠, what is 𝑍𝑋 ̅̅̅̅ ? b) If 𝑊𝑌 c) If ̅̅̅̅ 𝐴𝐵 = 16 𝑓𝑒𝑒𝑡, what is ̅̅̅̅ 𝐴𝐷? c) If ̅̅̅̅̅ 𝑊𝑋 = 7 𝑖𝑛𝑐ℎ𝑒𝑠, what is ̅̅̅̅ 𝑍𝑌 ? d) If ̅̅̅̅ 𝐵𝐷 = 25 𝑓𝑒𝑒𝑡, what is ̅̅̅̅ 𝐸𝐷 ? 74 Secondary II 7. Determine each measure of a regular nonagon. 8. Determine each measure of a regular 15-gon. a) The sum of the interior angles. a) The sum of the interior angles. b) The measure of an interior angle. b) The measure of an interior angle. c) The measure of an exterior angle. c) The measure of an exterior angle. Determine the measure of each missing angle in each figure. 9. 10. 11. Use the figure to answer each question. a) What is the sum of the measures of the interior angles? b) What is the value of x? c) What is the measure of ∠𝑅𝑄𝑃? 12. Suppose that the measure of each interior angle of a regular polygon is 157.5°. Classify the polygon. 13. Suppose that the measure of each exterior angle of a regular polygon is 22.5°. Classify the polygon. 14. Find the measure of the midsegment. 15. Find the value of x. List all types of quadrilaterals with the given characteristics. 16. The quadrilateral has four congruent sides. 17. Exactly one pair of opposite sides of the quadrilateral is parallel. 18. Opposite angles of the quadrilateral are congruent. 19. Exactly two pairs of adjacent sides are congruent. 20. The sum of the measures of the exterior angles of the quadrilateral is 360°. 75 Secondary II 21. The diagonals of the quadrilateral do not bisect each other. 22. Quadrilateral ABCD has congruent diagonals that are perpendicular to each other. 23. Quadrilateral JKLM has consecutive vertex angles that are supplementary but not congruent. If the diagonals bisect vertex angles, what type of quadrilateral is JKLM? 24. 25. 26. 27. 28. 29. 30. 76 Secondary II Worksheet – After Chapter 7 Test Name ______________________ 1. Solve each equation. a. d. b. 2. Evaluate each using the values given. a. 3. Sketch the graph of each line. a. c. e. b. b. 4. Classify each angle as acute, obtuse, right, or straight. a. b. c. d. 5. Name each angle in four ways. a. b. d. 6. Find the measure of each angle indicated. a. b. c. c. 77 Secondary II 8.1 - Worksheet Name ___________________________ 1. Use the Pythagorean Theorem to find the missing length. a. b. c. e. f. g. d. h. 2. Do the following lengths forma right triangle? a. b. c. d. a = 6.4, b = 12, c = 12.2 3. Find the value of each trigonometric ratio. a. b. c. d. e. f. 78 Secondary II g. h. i. 3. For the following, draw and label a right triangle that contains the given information. Find the trig ratios for the indicated angles. a. 𝑎 = 21, 𝑏 = 20, 𝑐 = 29, ∠𝐶 = 90° b. 𝑥 = 12, 𝑦 = 35, 𝑧 = 37, ∠𝑍 = 90° sin A=_____, cos A= _____, tan A=_____ sin X=_____, cos X= _____, tan X= _____ sin B=_____, cos B= _____, tan B=_____ sin Y=_____, cos Y= _____, tan Y= _____ 79 Secondary II 8.2 - Worksheet Name ___________________________ Rationalize the denominator. Simplify. 1 1. 2. 2 15 3. 5 8 18 4. 3 2 27 Find the missing sides using the Special Right Triangle Ratios. A B 5. 6. 7. 60 1 8. 1 45 C B C A 9. Find the missing side of the triangle. a. b. c. d. e. f. 10. Find all missing acute angles for the given right triangles. You may need to use trig ratios (sin, cos or tan) a. b. c. ∠A = __________ ∠A = __________ ∠A = __________ ∠C = __________ ∠C = __________ ∠C = __________ 80 Secondary II 11. If (5, 12) is on the graph, find sin, cos, and tan. 12. A ladder 20 feet long is leaning against a building at a point 15 feet above the ground. What angle does the ladder make with the ground? Round to the nearest degree. 13. Ben is flying a kite with 125 meters of string out. The string makes an angle of 39º with the level of the ground. How high is the kite to the nearest meter? 14. You are standing 40 feet away from a building. What is the angle of elevation from the ground to the top of the building if the height of the building is 115 ft? 15. During the construction of a house, a 6-foot-long board is used to support a wall. The board has an angle of elevation from the ground to the wall of . How far is the base of the wall from the board? 16. Use a calculator to solve. Round to the nearest hundredth. a. cos 73° b. tan 81° c. sin 33° d. tan 57° 17. Use your calculator to find the value of the following angles. Round to the nearest hundredth. a. tan 𝑋 = 0.47 b. sin 𝐶 = 0.34 c. cos 𝜃 = 0.81 18. Assume a triangle has remote interior angles of 57° and 68°, what is the measure of the exterior angle? 19. Calculate the sum of the interior angles of a heptagon. (Show your work!) 20. Calculate the measure of each interior angle of a regular heptagon. (Show your work!) 21. Calculate the sum of the exterior angles of a heptagon. (Justify your answer) 22. Calculate the measure of each exterior angle of a regular heptagon. (Show your work!) 81 Secondary II 8.3 - Worksheet Name ___________________________ 1. Draw the angles in standard position: a. 23º b. - 46º c. 720º d. - 216º 2. State the reference angle for each angle. (Hint: Sketch the angle in standard position) a. -160° b. 320° c. 57° d. 142° 3. Find the trig ratios without using a calculator. Draw the following angles in standard position, draw the reference triangle, label the sides, and give the trig ratio. Rationalize answers. a. sin 60º b. cos (-120º) c. tan 225º d. tan 330º e. cos 150º f. tan (-240º) g. sin 90º h. cos (-180º) i. sin 45º j. cos (-45º) k. tan (-90º) l. tan 300º 4. If an angle is in standard position and contains the point ( -2, 5) , then cos =______ 5. You are standing 40 ft away from a building. The angle of elevation from the ground to the top of the building is 57˚. What is the height of the building? 6. Jerome is flying a kite on the beach. The kite is attached to a 100-foot string and is flying 45 feet above the ground. Calculate the measure of the angle formed by the string and the ground. 7. Quadrilateral ABCD is a kite. a) If , what is ? Explain. b) If , what is ? Explain. c) If the length of is 16 feet, what is AD? Explain. d) If the length of is 25 feet, what is ED? Explain. 8. What is the measure of each exterior angle in a regular nonagon? 9. Find the measure of angle β. Show your work! 84 2x-22 x+3 82 Secondary II Review - Chapter 8 Make sure you understand how to correctly complete EVERY problem on the review!!! There will be a Calculator and a NON Calculator part of the test, make sure that you are following the instructions for each problem. 1. Find the exact values of x and y. NO Calculators! a. b. c. 2. Find the missing sides or angles. Calculator allowed. Round to 3 decimal places. a. b. c. d. 3. Find the third side of the triangle, and then evaluate the six trigonometric functions of angle 𝜃. NO Calculator. 4. Draw the angles in standard position and state the reference angle for each angle. a. 68° b. - 130° c. 760° d. - 215° e. 333° 5. If an angle is in standard position and contains the point ( 3, 6) , then cos 𝜃 =______ . NO Calculator. 6. Find the trig ratios without using a calculator. Draw the following angles in standard position, draw the reference triangle, label the sides, and give the trig ratio. Rationalize answers. a. sin 60º b. cos (-120º) c. tan 240º d. sin 330º e. cos 120º f. tan (- 150º) g. sin 330º h. cos 210º i. sin 45º j. cos (-45º) k. sin 225º l. tan 300º m. tan 90º n. cos 270º o. tan (- 360º) p. sin 180º 83 Secondary II 7. If θ is in standard position and includes the point (-3, -4), find sin, cos, and tan. NO calculator. 8. A 25 foot ladder leans against a building. The ladder’s base is 13.5 feet from the building. Find the angle which the ladder makes with the ground. Calculator allowed. 9. An airplane climbs at an angle of 11° with the ground. Find the ground distance it has traveled when it has attained an altitude of 400 feet. Calculator allowed. 10. Analyze triangle ABC and triangle DEF. Use and as the reference angles. Calculator allowed. a. Calculate the length of the hypotenuse of triangle ABC. Round your answer to the nearest tenth. b. Calculate the ratios , , and for the reference angle in triangle ABC. Round your answers to three decimal places. c. Describe the relationship between d. Calculate the length of the hypotenuse in e. Calculate the ratios , and . Explain your reasoning. without using the Pythagorean Theorem. Show your work. , and for the reference angle in . Round your answers to 3 decimal places. f. Compare the values of the three ratios for true? and . What do you observe? Why do you think this is 84 Secondary II Worksheet – After Chapter 8 Test Name ______________________ 1. Find the value of each trigonometric ratio to the nearest ten-thousandth. a. b. c. d. 2. Use a calculator to find the value of each to the nearest ten-thousandth. a. sin 21° b. tan 22° c. cos 20° d. sin 77° 3. Find the value of the trig function indicated. a. b. c. 4. Find the measure of each angle indicated. Round to the nearest tenth. a. b. c. 5. Find the measure of each side indicated. Round to the nearest tenth. a. b. c. d. 6. Solve each triangle, find all missing sides and angles. Round answers to the nearest tenth. a. b. c. 85 Secondary II 9.1-9.3 - Worksheet Name ___________________________ 1. Identify an instance of each term in the diagram. a. center of the circle b. chord c. secant of the circle d. tangent of the circle e. point of tangency f. central angle g. inscribed angle h. arc i. major arc j. minor arc k. diameter l. semicircle 2. Identify each angle as an inscribed angle or a central angle. a. ∠𝑍𝑂𝑀 b. ∠𝑅𝑂𝐾 3. Classify each arc as a major arc, minor arc, or a semicircle. a. b. 4. Draw the part of a circle that is described. a. b. 86 Secondary II 5. Determine the measure of the minor arc. 6. Determine the measure of the central angle. a. b. 7. Determine the measure of each inscribed angle. a. b. 8. Determine the measure of each intercepted arc. a. b. 87 Secondary II 9. The measure of ∠𝐶𝑂𝐷 is 98°. 10. The measure of ∠𝐾𝑂𝐿 is 148°. What is the measure of ∠𝐶𝐸𝐷? What is the measure of ∠𝐾𝑀𝐿? ̂ = 65° and 𝑚𝑋𝑍 ̂ = 38°. 11. In circle C, 𝑚𝑊𝑍 What is 𝑚∠𝑊𝐶𝑋? 12. In circle C, 𝑚∠𝑊𝐶𝑌 = 83°. What is ∠𝑋𝐶𝑍 ? 13. List the intercepted arc(s) for the given angle. a. b. 14. Use the diagram shown to determine the measure of each angle or arc. a. b. c. 88 Secondary II 15. Solve the system by elimination. 3𝑥 − 2𝑦 = 16 𝑓(𝑥) = { 5𝑥 + 𝑦 = 18 16. Solve for x: 3x 4t 7 17. Find the distance and the midpoint of A (-1, 5) and B (11, -3). Do not use decimals. 18. Determine each measure of a regular nonagon. a) The sum of the interior angles. b) The measure of an interior angle. c) The measure of an exterior angle. 89 Secondary II 9.4-9.5 - Worksheet Name ___________________________ ̅̅̅̅ intersects 𝐸𝐺 ̅̅̅̅ at 1. If diameter 𝐹𝐻 a right angle, how does the length of ̅̅̅ 𝐸𝐼 compare to the length of ̅̅̅ 𝐼𝐺 ? ̅̅̅̅ ≅ 𝑍𝑂 ̅̅̅̅, what is the 2. If 𝑌𝑂 ̅̅̅̅ and 𝑋𝑉 ̅̅̅̅ relationship between 𝑇𝑈 ? ̅̅̅̅ is 13 3. If the length of 𝐴𝐵 millimeters, what is the length of ̅̅̅̅ 𝐶𝐷 ? 4. If segment ̅̅̅̅ 𝐴𝐶 is a diameter, what is the measure of ∠𝐴𝐸𝐷 ? ̅̅, how does the 5. If ̅̅̅̅ 𝑄𝑅 ≅ ̅̅ 𝑃𝑆 ̂ and 𝑃𝑅𝑆 ̂ measure of 𝑄𝑃𝑅 compare? 6. If ∠𝐸𝑂𝐻 ≅ ∠𝐺𝑂𝐹 , what is the relationship between ̅̅̅̅ 𝐸𝐻 and ̅̅̅̅ 𝐹𝐺 ? 7. Use each diagram and the Segment Chord Theorem to write an equation involving the segments of the chords. a. b. 8. Find the value of x. ̅̅̅̅ and ̅̅̅̅ 9. Find 𝐴𝐵 𝐷𝐸 . 11. If ̅̅̅ 𝑅𝑆̅ is a tangent segment and ̅̅̅̅ 𝑂𝑆 is a radius, what is the measure of ∠𝑅𝑂𝑆 ? 12. If ̅̅̅̅ 𝑁𝑃 and ̅̅̅̅ 𝑄𝑃 are tangent segments, what is the measure of ∠𝑁𝑃𝑄 ? ̅̅̅̅ is a radius, what is the 10. If 𝑂𝐷 measure of ∠𝑂𝐷𝐶 ? 13. If ̅̅̅̅ 𝐴𝐹 and ̅̅̅̅ 𝑉𝐹 are tangent segments, what is the measure of ∠𝐴𝑉𝐹 ? 90 Secondary II 14. Name two secant segments and two external secant segments for circle O. Then use the Secant Segment Theorem to write an equation involving the secant segments. a. b. 15. Find the value of x. a. b. 16. Name a tangent segment, a secant segment, and an external secant segment for circle O. Then use the Secant Tangent Theorem to write an equation involving the secant and tangent segments. a. b. 17. Solve for x. a. b. 18. Determine the measure of each missing angle in each figure. a. b. 91 Secondary II 19. Write the prime factorization for each number. a. 12 b. 30 c. 24 d. 40 e. 60 20. Identify the greatest common factor between each set of terms. a. 12a 2b3 and 18a 3b b. 30hp 5 and 24h 4 p 3 c. 20 y 2 m3 x 5 and 12 y 6 mx 4 21. Write the equation of a line with the given information. a. passes through the points (4,-9) and (4,3) b. passes through the point (2,-6) with a slope of -4 c. Parallel to y 2 x 5 that passes through ( 3 , - 2 ) d. Perpendicular to y 3x 1 that passes through point ( 3 , - 2 ) 92 Secondary II 10.1-10.2 - Worksheet Name ___________________________ 1. Draw a triangle inscribed in the circle through the three points. Then determine if the triangle is a right triangle. a. b. Answer: The Triangle is not a right triangle because none of the legs is a diameter of the circle. 2. Draw a triangle inscribed in the circle through the given points. Then determine the measure of the indicated angle. In ABC, mA = 55°. Determine mB. a. In ABC, mB = 380, Determine mA Answer: mB = 1800 – 900 – 550 = 350 b. In ABC, mC = 490. Determine mA c. In ABC, mB = 51 0. Determine mA 3. Draw a quadrilateral inscribed in the circle through the given four points. Then determine the measure of the indicated angle. In quadrilateral ABCD, mB = 810. Determine mD. a. In quadrilateral ABCD, mC = 750. Determine mA. Answer: m D = 1800 – 810 = 990 b. In quadrilateral ABCD, mB = 1120. Determine mD. c. In quadrilateral ABCD, mD = 930. Determine mB. 93 Secondary II 4. In the figure shown, ABC is inscribed in circle D and mA = 550. What is mC? Explain your reasoning. 5. In the figure shown, RST is inscribed in circle Q, RS = 18 centimeters, and ST = 24 centimeters. What is RT? Explain your reasoning. 6. In the figure shown, quadrilateral LMNP is inscribed in circle R, mP = 570, and mL = mN. What are mM, mL and mN? Explain your reasoning. 7. Plot the following angles on the coordinate system. a. 3 4 b. 5𝜋 8 c. 6𝜋 5 d. 9𝜋 4 Review: 8. Find the missing side and following triangle. 62° 9. Draw the angle 𝜃 = 89° in standard angle for the position then find the reference angle. B = ________ y 𝜽′ = ________ y = ________ 22.6 B 10. Use your calculator to find the following: a. sin A .866 __________ b. cos 25 __________ 94 Secondary II 11. Simplify each expression without a calculator. a. 3 125 b. 4 16 c. 5 32 d. 72 12. Determine each measure of a regular 15-gon. a) The sum of the interior angles. b) The measure of an interior angle. c) The measure of an exterior angle. 13. Write a system of equations to represent the problem situation. Solve the system and explain what your solution means in context of the problem. The high school band is selling fruit baskets as a fundraiser. They sell a large basket containing 10 apples and 15 oranges for $20. They sell a small basket containing 5 apples and 6 oranges for $8.50. How much is the band charging for each apple and each orange? 95 Secondary II 10.3 - WORksheet Name ___________________________ 1. Calculate the ratio of the length of each arc to the circle’s circumference. ̂ is 900. a. The measure of 𝐶𝐷 ̂is 1050. b. The measure of 𝐼𝐽 ̂ is 750. c. The measure of 𝐾𝐿 ̂ You do not need to simplify 2. Write an equation that you can use to calculate the length of 𝑅𝑆. the expression. a. b. c. 3. Calculate each arc length. Write your answer in terms of . ̂ is 45º and the radius is 12 meters, what is the arc length of 𝐴𝐵 ̂? a. If the measure of 𝐴𝐵 ̂ is 120º and the radius is 15 centimeters, what is the arc length of 𝐶𝐷 ̂? b. If the measure of 𝐶𝐷 0 ̂ is 90 , what is the arc length of 𝐸𝐹 ̂? c. If the measure of 𝐸𝐹 4. Calculate each arc length in radians. Write your answer in terms of . ̂ is 450, what is the arc length of 𝐶𝐷 ̂? a. If the measure of 𝐶𝐷 ̂ is 60º and the radius is 8 inches, what is the arc length of 𝐸𝐹 ̂? b. If the measure of 𝐸𝐹 ̂ c. If the length of the radius is 4 cm., what is the arc length of 𝐼𝐽? 96 Secondary II 5. Use the given information to answer each question. Where necessary use 3.14 to approximate . a. If = 3 and r = 3, what is the length of the intercepted arc? b. If r = 8 and the intercepted arc length is 6 , what is the measure of the central angle? c. If the measure of the central angle is 800. The length of the radius of 40mm. Determine the arc length 𝑚𝑒𝑎𝑠𝑢𝑟𝑒 𝑜𝑓 𝑎𝑛𝑔𝑙𝑒 using the formula · 2𝑟. 3600 d. If the measure of the central angle is 300. The length of the radius of 10mm. Determine the arc length 𝑚𝑒𝑎𝑠𝑢𝑟𝑒 𝑜𝑓 𝑎𝑛𝑔𝑙𝑒 using the formula · 2𝑟. 3600 6. If the radius of the circle is 9 centimeters, what is the area of sector AOB? 7. If the radius of the circle is 16 meters, what is the area of sector COD? 8. If the radius of the circle is 15 feet, what is the area of sector EOF? 9. If the radius of the circle is 10 inches, what is the area of sector GOH? 10. If the radius of the circle is 24 centimeters and 𝜃 = 2𝜋 3 , what is the area of sector MON? HINT: Convert to degrees first! 97 Secondary II 11. If the radius of the circle is 21 meters and 𝜃 = 4, what is the area of sector POQ? HINT: 4 is in radians, convert to degrees! 12. Calculate the area of each segment. Round your answer to the nearest tenth, if necessary use 3.14 for . a. If the radius of the circle is 6 centimeters, what is the area of the shaded segment? b. If the radius of the circle is 14 inches, what is the area of the shaded segment? c. If the radius of the circle is 25 meters, what is the area of the shaded segment? In problems 13 & 14, calculate the area of the shaded segment AB of circle C. Express your answer in terms of and as a decimal rounded to the nearest hundredth. 13. In circle C shown, ABC is an equilateral triangle and ̅̅̅̅ 𝐴𝐶 = 10 inches. Calculate the area of the shaded segment AB of circle C. Express your answer in terms of and as a decimal rounded to the nearest hundredth. 14. In circle C, the radius is 18 centimeters and ABC is an equilateral triangle. C 98 Secondary II Review: 15. Determine the relationship between ∠4 𝑎𝑛𝑑 ∠8 and wriite a postulate or theorem that justifies your answer. _____________________________________ _____________________________________ 16. Evaluate the trigonometric function. Show your triangle!!! a. tan 210° c. cos 60 b. sin 225 17. A five-meter-long ladder leans against a wall, with the top of the ladder being four meters above the ground. What is the approximate angle that the ladder makes with the ground? 18. Find the value of x. 19. If the measure of ∠𝑃𝑈𝑄 = 34° and the radius of ⨀ 𝑈 is 8 inches, what is the arc ̂ ? length of 𝑃𝑄 20. Solve each exponential equation for the missing variable. a. 4 x 256 b. 63 x 216 c. 32 x 1 729 99 Secondary II 11.3/11.6 - Worksheet Name ___________________________ Estimate the approximate area or volume of each irregular or oblique figure. Round your answers to the nearest tenth, if necessary. 1. The height of each recangle is .6 inches and the base of each rectangle is 2 inches. 2. Calculate the volume of each cone. Use 3.14 for π. 3. 4. 5. 6. Calculate the volume of each pyramid. 7. 8. 100 Secondary II 9. 10. 11. Calculate the volume of each cylinder. Use 3.14 for π. Round decimals to nearest tenth if necessary. 12. 13. 14. Calculate the volume of each sphere. Use 3.14 for π. Round decimals to nearest tenth if necessary. 15. 16. Calculate the volume of each solid. Use 3.14 for π. Round decimals to nearest tenth if necessary. 17. 18. 19. Find each measurement. 20. 21. 22. 101 Secondary II 23. 24. 25. 26. 27. Solve for x. 29. 30. 28. 31. 32. If (3, -1) is a point on a graph, give the sin, cos and tan. 33. Find the sin 180°. Show your triangle! 102 Secondary II Review - Chapter 9, 10 & 11 Name: ________________________ Show neat, complete work! Complete as many problems as possible without your calculator. 1. AC=6, AB = ? 2. DC & BC are tangent segments. AB=6, AC=10, find DC. ̂ = 180°. Find 3. 𝑚𝐵𝐷 ∠BCD. ̂. 4. ∠𝐷𝐶𝐵 = 47°. Find 𝑚𝐷𝐵 5. ∠𝐷𝐶𝐵 = 125°. Find ̂. 𝑚𝐷𝐶𝐵 ̂ = 117°, 𝐸𝐷 ̂ = 125°, 6. 𝐶𝐹 find 𝑚∠𝐶𝐺𝐹. ̂ = 90°, 𝐻𝐽 ̂ = 100°, 7. 𝐺𝐼 ̂ = 120°, find 𝐼𝐽 𝑚∠𝐺𝐾𝐻. 8. ∠D = 80°, ∠C = 95°, Find 𝑚∠E. 9. ∠D=95°, ∠C=105°, Find 𝑚∠ E. 10. EH = 4x+5, HF = 6x-9. Solve for x. 11. CD = x+8, CB=5x-4 Solve for x 12. AB=5, BC=12, find AC. 13. ∠𝐷𝐶𝐵=?°, Major arc DB=198°. 14. ∠𝐼𝐾𝐽=29°, arc GH=56°. ̂. Find 𝑚𝐼𝐽 15. ∠𝐵𝐶𝐷=2x+7, ∠𝐷𝐸𝐵=5x-12. Solve for x. 16. CG=x, GD=4, EG=8, FG=3. Find x. 17. In ∆𝐴𝐵𝐶, 𝑚∠𝐶 = 49° Determine . 18. Find the measure of angles A, B, and C. 19. Find the length of arc RS. 20. If the measure of is and the diameter is 6 millimeters, what is the arc length of ? 103 Secondary II 21. If the measure of is 5 and the 4 diameter is 20 millimeters, what is the arc length of ? 25. If the radius of the circle is 14 inches, what is the area of the shaded segment? 22. If θ is in standard position and includes the point (-3, -4), find sin, cos, 23. If the radius of the circle is 9 centimeters, what is the area of sector AOB? 24. If the radius of the circle is 21 meters, what is the area of sector POQ? ̅̅̅̅ and 𝑉𝐹 ̅̅̅̅ are 27. If 𝐴𝐹 tangent segments, what is the measure of ∠𝐴𝑉𝐹 ? ̂ = 166°, 28. 𝑚𝐵𝐶 and tan. NO calculator. ̅̅̅̅ ≅ 𝑍𝑂 ̅̅̅̅, and 𝑇𝑌 ̅̅̅̅ = 26. If 𝑌𝑂 ̅̅̅̅ 3, what is the 𝑚𝑋𝑉 ? ̂ = 122° 𝑚𝐸𝐷 ________ ________ 29. MC = 6, IC = 3, find QI 30. AT = 15, B is the midpoint of AT. Find AX. 31. WX = 6mm, XY = 8mm, YZ = 9mm, find WV. ̅̅̅̅ are tangent 32. If ̅̅̅̅̅ 𝑀𝑇 and 𝑅𝑇 segments, what is the measure of ? 33. PQ=3cm, PR=10cm, LQ=5cm, find LN. 34. Find the missing side or angle. 35. CB is a diameter. 36. Calculate the measure of ̂ , 𝑚∠𝐶𝐷𝐵. Find 𝑚𝐶𝐷𝐵 Given CB=10, CD=3, find DB. ∠𝐶𝐴𝐵 if 104 Secondary II 37. A 25 foot ladder leans against a building. The ladder’s base is 13.5 feet from the building. Find the 38. Given: tan 𝜃 = √3, where. Find . 39. Find the following using your calculator: (Show triangle!) a. sin 290 4 b. cos 𝜃 = 5 angle which the ladder makes with the ground. Calculator allowed. c. csc(120 ) Find the volume of each figure. 40. 41. 42. 43. 44. 45. 46. 48. 47. 49. 50. 105 Secondary II Worksheet – After Chpt 9/10/11 Test Name ______________________ Simplify. Your answer should contain only positive exponents. 106