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Name: ________________________ Class: ___________________ Date: __________ ID: A Geometry Final Semester 1 Practice Multiple Choice Identify the choice that best completes the statement or answers the question. → 5. Find a counterexample to show that the conjecture is false. Conjecture: The product of two positive numbers is greater than the sum of the two numbers. a. A counterexample exists, but it is not shown above. b. 3 and 5 c. 2 and 2 d. There is no counterexample. The conjecture is true. 1. Name the ray that is opposite RS . a. b. c. d. → QS → 6. Judging by appearance, classify the figure in as many ways as possible. RP → PS → RS 2. Write this statement as a conditional in if-then form: All triangles have three sides. a. If a figure is a triangle, then it has three sides. b. If a figure is a triangle, then all triangles have three sides. c. If a figure has three sides, then it is not a triangle. d. If a triangle has three sides, then all triangles have three sides. a. b. 3. On a blueprint, the scale indicates that 6 cm represent 18 feet. What is the length of a room that is 7.8 cm long and 5 cm wide on the blueprint? a. 6.5 ft b. 1.3 ft c. 19.3 ft d. 23.4 ft c. d. square, rectangle, quadrilateral rectangle, square, quadrilateral, parallelogram, rhombus rectangle, square, parallelogram rhombus, trapezoid, quadrilateral, square 7. Write an equation in point-slope form, y – y1 = m(x – x1), of the line through points (5, –3) and (6, 9) Use (5, –3) as the point (x1, y1). a. (y + 3) = 12(x – 5) b. (y – 3) = –12(x + 5) c. (y – 3) = 12(x + 5) d. (y + 3) = –12(x – 5) 4. A model is made of a car. The car is 8 feet long and the model is 10 inches long. What is the ratio of the length of the car to the length of the model? a. 5 : 48 b. 48 : 5 c. 10 : 8 d. 8 : 10 1 Name: ________________________ ID: A 8. What can you conclude from the information in the diagram? a. 1. LM ≅ NM 2. ∠NQP is a right angle 3. ∠NPQ and ∠OPQ are vertical angles b. 1. LM ≅ NM 2. PN ≅ PO 3. ∠PNO and ∠LNM are vertical angles 1. LM ≅ LN 2. PN ≅ PO 3. ∠PNO and ∠LNM are adjacent angles 1. LM ≅ LN 2. ∠NQP is a right angle 3. ∠NPQ and ∠OPQ are adjacent angles c. d. 9. Can you use the ASA Postulate, the AAS Theorem, or both to prove the triangles congruent? a. b. c. d. ASA only AAS only either ASA or AAS neither Solve the proportion. 10. n−6 a. b. c. d. 11. 5 a a. b. c. d. 3n = –3 9 n−5 12. A conditional can have a ____ of true or false. a. truth value b. conclusion c. hypothesis d. counterexample 3n + 1 17 2 13. The Polygon Angle-Sum Theorem states: The sum of the measures of the angles of an n-gon is ____. a. (n − 1)180 n−2 b. 180 c. (n − 2)180 180 d. n−1 5 3 = 20 36 9 144 20 45 2 Name: ________________________ ID: A 14. The chips used in the board game MathFuries have the shape of octagons. How many sides does each MathFuries chip have? a. 3 b. 5 c. 8 d. 10 15. If a. b. c. d. a b = 4b 8b 7b 14b 4 7 , then 7a = ____. Explain why the triangles are similar. Then find the value of x. 16. a. AA Postulate; 6 1 2 c. SSS Postulate; 26 b. AA Postulate; 26 d. SAS Postulate; 6 1 2 17. Use the Law of Syllogism to draw a conclusion from the two given statements. If a number is a multiple of 64,then it is a multiple of 8. If a number is a multiple of 8, then it is a multiple of 2. a. If a number is a multiple of 64, then it is a multiple of 2. b. The number is a multiple of 8. c. If a number is not a multiple of 2, then the number is not a multiple of 64. d. The number is a multiple of 2. 18. Which statement is a counterexample for the following conditional? If you live in Springfield, then you live in Illinois. a. Jonah Lincoln lives in Springfield, Illinois. b. Billy Jones lives in Chicago, Illinois. c. Sara Lucas lives in Springfield. d. Erin Naismith lives in Springfield, Massachusetts. 3 Name: ________________________ ID: A State whether the triangles are similar. If so, write a similarity statement and the postulate or theorem you used. 19. 21. Use the information in the diagram to determine the height of the tree to the nearest foot. a. b. c. d. a. b. c. d. 72 ft 264 ft 60 ft 80 ft 22. m∠R = 160 and m∠S = 90. Find m∠T. The diagram is not to scale. ∆ABC ∼ ∆MNO; SSS ∆ABC ∼ ∆MNO; SAS ∆ABC ∼ ∆MNO; AA The triangles are not similar. 20. a. b. c. d. a. b. c. d. ∆ADB ∼ ∆CDB; SAS ∆ABD ∼ ∆CDB; SAS ∆ADB ∼ ∆CDB; SSS The triangles are not similar. 4 90 20 80 10 Name: ________________________ ID: A 23. Find the value of x. a. b. c. d. 7 9.5 6 8 24. Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible. I can go to the concert if I can afford to buy a ticket. I can go to the concert. a. I cannot afford to buy the ticket. b. I can afford to buy a ticket. c. If I can go to the concert, I can afford the ticket. d. not possible 25. Which angles are corresponding angles? a. b. c. d. 26. Find the value of x. ∠3 and ∠4 ∠4 and ∠12 ∠8 and ∠4 none of these a. b. c. d. 5 46 134 –18 18 Name: ________________________ ID: A 27. Which three lengths could be the lengths of the sides of a triangle? a. 6 cm, 24 cm, 12 cm b. 12 cm, 9 cm, 21 cm c. 22 cm, 5 cm, 11 cm d. 10 cm, 15 cm, 23 cm 30. Find the value of x, given that OP NQ. 28. Find the values of x, y, and z. The diagram is not to scale. a. b. c. d. a. b. c. d. x = 20 x = 10 x = 13 x = 25.5 31. The vertices of the trapezoid are the origin along with A(4d, 4e), B(4 f , 4e), and C(4g, 0). Find the midpoint of the midsegment of the trapezoid. x = 89, y = 77, z = 91 x = 77, y = 89, z = 91 x = 77, y = 91, z = 89 x = 89, y = 91, z = 77 29. A model is built having a scale of 1 : 15,000. How high would a 25,400-ft mountain be in the model? Give your answer to the nearest inch. a. 304,800 in. b. 2 in. c. 20 in. d. 10 in. a. b. c. d. (d + f + g, e) (d + f + g, 2e) (2 f , 2e) (2d + 2g, 2e) 32. Which statement is the Law of Detachment? a. If p → q is a true statement and p is true, then q is true. b. If p → q is a true statement and q is true, then p is true. c. If p → q is a true statement and q is true, then q → p is true. d. If p → q and q → r are true, then p → r is a true statement. 6 Name: ________________________ ID: A Solve for a and b. 33. 35. DF bisects ∠EDG. Find the value of x. The diagram is not to scale. a. a = b. a = c. a = d. a = 20 , b = 21 400 21 580 21 400 21 , b = 580 21 580 , b = , b = 21 29 21 20 a. 21 b. c. d. 34. What other information do you need in order to prove the triangles congruent using the SAS Congruence Postulate? a. b. c. d. ∠BAC ≅ ∠DAC ∠CBA ≅ ∠CDA AC ≅ BD AC ⊥ BD 7 209 17 95 29 19 Name: ________________________ ID: A 36. Which is a correct two-column proof? Given: r s Prove: ∠b and ∠h are supplementary. a. Statements R e asons 1. r s 1. Given 2. ∠b ≅ ∠h 2. Corresponding Angles 3. ∠c and ∠e are supplementary. 3. Same-Side Exterior Angles 4. ∠e ≅ ∠h 4. Vertical Angles 5. ∠c and ∠h are supplementary. 5. Substitution Statements R e asons 1. r s 1. Given 2. ∠b ≅ ∠c 2. Vertical Angles 3. ∠d and ∠h are supplementary. 3. Alternate Interior Angles 4. ∠e ≅ ∠h 4. Vertical Angles 5. ∠b and ∠h are supplementary. 5. Same-Side Interior Angles Statements R e asons 1. r s 1. Given 2. ∠b ≅ ∠c 2. Vertical Angles 3. ∠c and ∠e are supplementary. 3. Same-Side Interior Angles 4. ∠e ≅ ∠h 4. Vertical Angles 5. ∠b and ∠h are supplementary. 5. Substitution b. c. d. none of these 8 Name: ________________________ ID: A 41. ∠ACB ≅ 37. What is the negation of this statement? Miguel’s team won the game. a. Miguel’s team did not play the game. b. Miguel’s team lost the game. c. Miguel’s team did not win the game. d. It was not Miguel’s team that won the game. ? 38. Name the smallest angle of ∆ABC. The diagram is not to scale. a. b. c. d. ∠NMP ∠PNM ∠PMN ∠MPN 42. Find the values of a and b.The diagram is not to scale. a. b. c. d. ∠B ∠A Two angles are the same size and smaller than the third. ∠C 39. Find the missing angle measures. The diagram is not to scale. a. b. c. d. a. b. c. d. x = 92, y = 70 x = 102, y = 121 x = 70, y = 92 x = 70, y = 102 40. 3 and 7 a. 2 7 b. c. d. 21 21 2 6 9 a a a a = 110, b = 110, b = 125, b = 125, b = 70 = 55 = 70 = 55 Name: ________________________ ID: A 43. Which choice shows a true conditional with the hypothesis and conclusion identified correctly? a. Yesterday was Saturday if tomorrow is Monday. Hypothesis: Tomorrow is Monday. Conclusion: Yesterday was Saturday. b. If tomorrow is Monday, then yesterday was Saturday. Hypothesis: Yesterday was Saturday. Conclusion: Tomorrow is not Monday. c. If tomorrow is Monday, then yesterday was Saturday. Hypothesis: Yesterday was Saturday. Conclusion: Tomorrow is Monday. d. Yesterday was Sunday if tomorrow is Monday. Hypothesis: Tomorrow is Monday. Conclusion: Yesterday was Sunday. 45. Alfred is practicing typing. The first time he tested himself, he could type 20 words per minute. After practicing for a week, he could type 23 words per minute. After two weeks he could type 26 words per minute. Based on this pattern, predict how fast Alfred will be able to type after 4 weeks of practice. a. 29 words per minute b. 36 words per minute c. 32 words per minute d. 26 words per minute 46. Are the triangles similar? If so, explain why. 44. Name an angle supplementary to ∠COB. a. b. c. d. a. b. c. d. ∠AOE ∠COD ∠BOE ∠BOA 10 yes, by SSS yes, by SAS no yes, by AA Name: ________________________ ID: A 47. The two triangles are congruent as suggested by their appearance. Find the value of c. The diagrams are not to scale. a. 55 b. 25 c. 7 1. Given 2. PR ≅ SQ 2. Given 3. QR ≅ RQ 4. ∆PQR ≅ ∆SRQ 3. 4. a. b. c. d. 24 49. Find m∠A. The diagram is not to scale. 48. Justify the last two steps of the proof. Given: PQ ≅ SR and PR ≅ SQ Prove: ∆PQR ≅ ∆SRQ Proof: 1. PQ ≅ SR d. a. b. c. d. ? ? Reflexive Property of ≅ ; SSS Symmetric Property of ≅ ; SAS Symmetric Property of ≅ ; SSS Reflexive Property of ≅ ; SAS 11 63 73 117 107 Name: ________________________ ID: A 50. Find the values of the variables in the parallelogram. The diagram is not to scale. 51. Which group contains triangles that are all similar? a. b. a. b. c. d. x = 41, y = 41, z = 139 x = 35, y = 41, z = 139 x = 35, y = 41, z = 104 x = 41, y = 35, z = 104 c. d. 12 Name: ________________________ ID: A 52. Based on the information in the diagram, can you prove that the figure is a parallelogram? Explain. a. b. c. d. Yes; two opposite sides are both parallel and congruent. No; you cannot prove that the quadrilateral is a parallelogram. Yes; the diagonals are congruent. Yes; the diagonals bisect each other. 53. Which description does NOT guarantee that a quadrilateral is a parallelogram? a. a quadrilateral with consecutive angles supplementary b. quadrilateral with two opposite sides parallel c. a quadrilateral with both pairs of opposite sides congruent d. a quadrilateral with the diagonals bisecting each other 54. When a conditional and its converse are true, you can combine them as a true ____. a. hypothesis c. counterexample b. biconditional d. unconditional 55. The two rectangles are similar. Which is a correct proportion for corresponding sides? a. 12 4 = x 8 b. 12 4 = x 20 c. 12 8 = x 4 d. 56. Based on the pattern, what is the next figure in the sequence? a. b. c. d. 13 4 12 = x 8 Name: ________________________ ID: A The polygons are similar, but not necessarily drawn to scale. Find the values of x and y. 57. Triangles ABC and DEF are similar. Find the lengths of AB and EF. a. b. c. d. 59. For the parallelogram, find coordinates for P without using any new variables. a. b. c. d. AB = 10; EF = 2 AB = 20; EF = 4 AB = 2; EF = 10 AB = 4; EF = 20 60. Find the value of x. The diagram is not to scale. 58. LMNO is a parallelogram. If NM = x + 20 and OL = 4x + 5 find the value of x and then find NM and OL. a. b. c. d. (c, a) (c, b) (a + c, b) (a – c, c) x = 5, NM = 25, OL = 25 x = 7, NM = 27, OL = 27 x = 5, NM = 27, OL = 25 x = 7, NM = 25, OL = 27 a. b. c. d. 14 66 70 35 76 Name: ________________________ ID: A 61. Use the information given in the diagram. Tell why PR ≅ PR and ∠PQR ≅ ∠RSP. a. b. c. d. 62. Judging by appearances, which figure is a trapezoid? a. Transitive Property, Reflexive Property Reflexive Property, Transitive Property Reflexive Property, Given Given, Reflexive Property b. c. d. 63. What is the inverse of this statement? If he speaks Arabic, he can act as the interpreter. a. If he does not speak Arabic, he can act as the interpreter. b. If he does not speak Arabic, he can’t act as the interpreter. c. If he speaks Arabic, he can’t act as the interpreter. d. If he can act as the interpreter, then he does not speak Arabic. 15 Name: ________________________ ID: A 64. ABCDE ∼ GHJDF . Complete the statements. a. ∠H ≅ b. a. ∠B; AE b. E; DC c. E; AE 65. State whether ∆ABC and ∆AED are congruent. Justify your answer. a. b. c. d. d. ∠B; DC 66. From the information in the diagram, can you prove ∆FDG ≅ ∆FDE? Explain. yes, by either SSS or SAS yes, by SSS only yes, by SAS only No; there is not enough information to conclude that the triangles are congruent. a. b. c. d. yes, by AAA yes, by SAS yes, by ASA no 67. Two sides of a triangle have lengths 10 and 16. What must be true about the length of the third side, x? a. 6 < x < 10 b. 10 < x < 16 c. 6 < x < 16 d. 6 < x < 26 16 Name: ________________________ ID: A 68. The jewelry box has the shape of a regular pentagon. It is packaged in a rectangular box as shown here. The box uses two pairs of congruent right triangles made of foam to fill its four corners. Find the measure of the foam angle marked. 70. In each pair of triangles, parts are congruent as marked. Which pair of triangles is congruent by ASA? a. b. a. b. c. d. 72° 54° 18° 36° 69. Based on the pattern, what are the next two terms of the sequence? 3 3 3 3 3, , , , ,... 4 16 64 256 3 3 , a. 1024 1028 3 3 , b. 260 264 3 3 , c. 260 1028 3 3 , d. 1024 4096 c. d. 17 Name: ________________________ ID: A 71. Are U, V , and W collinear? If so, name the line on which they lie. a. b. c. d. No, the three points are not collinear. Yes, they lie on the line UW. Yes, they lie on the line V X . Yes, they lie on the line U X . 73. Q is equidistant from the sides of ∠TSR. Find m∠RST. The diagram is not to scale. 72. The length of DE is shown. What other length can you determine for this diagram? a. b. c. d. EF = 12 DF = 24 DG = 12 No other length can be determined. a. b. c. d. 74. If a. b. c. d. 14 34 17 7 g h = 6 , which equation must be true? 5 5h = 6g h 5 = g 6 gh = 6 × 5 h g = 6 5 75. Construct the line that is perpendicular to the given line through the given point. 18 Name: ________________________ ID: A a. b. c. d. 19 Name: ________________________ ID: A Solve for x. 76. 77. If BCDE is congruent to OPQR, then CD is congruent to ? . a. b. c. d. 10 5 5 2 25 a. b. c. OP OR PQ d. QR 78. Identify the hypothesis and conclusion of this conditional statement: If two lines intersect at right angles, then the two lines are perpendicular. a. Hypothesis: The two lines are perpendicular. Conclusion: Two lines intersect at right angles. b. Hypothesis: Two lines intersect at right angles. Conclusion: The two lines are not perpendicular. c. Hypothesis: Two lines intersect at right angles. Conclusion: The two lines are perpendicular. d. Hypothesis: The two lines are not perpendicular. Conclusion: Two lines intersect at right angles. 79. What is the intersection of plane STXW and plane TUYX ? a. b. c. d. 80. Find a counterexample to show that the conjecture is false. Conjecture: Any number that is divisible by 6 is also divisible by 12. a. 48 b. 30 c. 60 d. 36 ← → SW ← → UY ← → TX ← → VZ 20 ID: A Geometry Final Semester 1 Practice Answer Section MULTIPLE CHOICE 1. ANS: REF: STA: KEY: 2. ANS: OBJ: KEY: 3. ANS: OBJ: KEY: 4. ANS: OBJ: KEY: 5. ANS: OBJ: TOP: 6. ANS: OBJ: TOP: KEY: 7. ANS: OBJ: KEY: 8. ANS: OBJ: KEY: 9. ANS: REF: OBJ: TOP: 10. ANS: OBJ: KEY: 11. ANS: OBJ: KEY: 12. ANS: OBJ: KEY: 13. ANS: OBJ: KEY: B PTS: 1 DIF: L2 1-4 Segments, Rays, Parallel Lines and Planes OBJ: 1-4.1 Identifying Segments and Rays CA GEOM 1.0 TOP: 1-4 Example 1 ray | opposite rays A PTS: 1 DIF: L2 REF: 2-1 Conditional Statements 2-1.1 Conditional Statements TOP: 2-1 Example 2 hypothesis | conclusion | conditional statement D PTS: 1 DIF: L2 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 4 proportion | Cross-Product Property | word problem B PTS: 1 DIF: L2 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 1 ratio | word problem C PTS: 1 DIF: L3 REF: 1-1 Patterns and Inductive Reasoning 1-1.1 Using Inductive Reasoning STA: CA GEOM 1.0| CA GEOM 3.0 1-1 Example 3 KEY: counterexample | conjecture B PTS: 1 DIF: L2 REF: 6-1 Classifying Quadrilaterals 6-1.1 Classifying Special Quadrilaterals STA: CA GEOM 12.0 6-1 Example 1 special quadrilaterals | quadrilateral | parallelogram | rhombus | square | rectangle | kite | trapezoid A PTS: 1 DIF: L2 REF: 3-6 Lines in the Coordinate Plane 3-6.2 Writing Equations of Lines TOP: 3-6 Example 5 point-slope form B PTS: 1 DIF: L2 REF: 1-6 Measuring Angles 1-6.2 Identifying Angle Pairs TOP: 1-6 Example 5 vertical angles | supplementary angles | adjacent angles | right angle | congruent segments C PTS: 1 DIF: L3 4-3 Triangle Congruence by ASA and AAS 4-3.1 Using the ASA Postulate and the AAS Theorem STA: CA GEOM 2.0| CA GEOM 5.0 4-3 Example 3 KEY: ASA | AAS | reasoning A PTS: 1 DIF: L3 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 3 proportion | Cross-Product Property A PTS: 1 DIF: L2 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 3 proportion | Cross-Product Property A PTS: 1 DIF: L2 REF: 2-1 Conditional Statements 2-1.1 Conditional Statements TOP: 2-1 Example 3 conditional statement | truth value C PTS: 1 DIF: L2 REF: 3-5 The Polygon Angle-Sum Theorems 3-5.2 Polygon Angle Sums STA: CA GEOM 12.0| CA GEOM 13.0 Polygon Angle-Sum Theorem 1 ID: A 14. ANS: OBJ: KEY: 15. ANS: OBJ: KEY: 16. ANS: OBJ: STA: KEY: 17. ANS: OBJ: TOP: 18. ANS: OBJ: KEY: 19. ANS: OBJ: STA: KEY: 20. ANS: OBJ: STA: KEY: 21. ANS: OBJ: STA: KEY: 22. ANS: OBJ: STA: 23. ANS: OBJ: KEY: 24. ANS: OBJ: TOP: 25. ANS: OBJ: TOP: 26. ANS: OBJ: TOP: 27. ANS: OBJ: TOP: C PTS: 1 DIF: L2 REF: 3-5 The Polygon Angle-Sum Theorems 3-5.1 Classifying Polygons STA: CA GEOM 12.0| CA GEOM 13.0 classifying polygons A PTS: 1 DIF: L2 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 2 proportion | Cross-Product Property A PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar 7-3.2 Applying AA, SAS, and SSS Similarity CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 3 Angle-Angle Similarity Postulate A PTS: 1 DIF: L2 REF: 2-3 Deductive Reasoning 2-3.2 Using the Law of Syllogism STA: CA GEOM 1.0 2-3 Example 4 KEY: deductive reasoning | Law of Syllogism D PTS: 1 DIF: L2 REF: 2-1 Conditional Statements 2-1.1 Conditional Statements TOP: 2-1 Example 3 conditional statement | counterexample A PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar 7-3.1 The AA Postulate and the SAS and SSS Theorems CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 2 Side-Side-Side Similarity Theorem A PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar 7-3.1 The AA Postulate and the SAS and SSS Theorems CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 2 Side-Angle-Side Similarity Theorem | corresponding sides D PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar 7-3.2 Applying AA, SAS, and SSS Similarity CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 4 Angle-Angle Similarity Postulate | word problem B PTS: 1 DIF: L2 REF: 6-5 Trapezoids and Kites 6-5.1 Properties of Trapezoids and Kites CA GEOM 7.0| CA GEOM 12.0| CA GEOM 13.0 KEY: kite | sum of interior angles C PTS: 1 DIF: L3 REF: 5-1 Midsegments of Triangles 5-1.1 Using Properties of Midsegments STA: CA GEOM 17.0 midpoint | midsegment | Triangle Midsegment Theorem D PTS: 1 DIF: L3 REF: 2-3 Deductive Reasoning 2-3.1 Using the Law of Detachment STA: CA GEOM 1.0 2-3 Example 3 KEY: deductive reasoning | Law of Detachment B PTS: 1 DIF: L2 REF: 3-1 Properties of Parallel Lines 3-1.1 Identifying Angles STA: CA GEOM 2.0| CA GEOM 4.0| CA GEOM 7.0 3-1 Example 1 KEY: corresponding angles | transversal | parallel lines D PTS: 1 DIF: L2 REF: 2-5 Proving Angles Congruent 2-5.1 Theorems About Angles STA: CA GEOM 1.0| CA GEOM 2.0| CA GEOM 4.0 2-5 Example 1 KEY: vertical angles | Vertical Angles Theorem D PTS: 1 DIF: L2 REF: 5-5 Inequalities in Triangles 5-5.2 Inequalities Involving Sides of Triangles STA: CA GEOM 2.0| CA GEOM 6.0 5-5 Example 4 KEY: Triangle Inequality Theorem 2 ID: A 28. ANS: REF: OBJ: TOP: 29. ANS: OBJ: KEY: 30. ANS: OBJ: STA: KEY: 31. ANS: OBJ: KEY: 32. ANS: OBJ: TOP: 33. ANS: OBJ: TOP: 34. ANS: REF: STA: KEY: 35. ANS: OBJ: STA: KEY: 36. ANS: OBJ: TOP: KEY: 37. ANS: REF: OBJ: TOP: 38. ANS: OBJ: TOP: 39. ANS: OBJ: TOP: 40. ANS: OBJ: TOP: 41. ANS: OBJ: TOP: A PTS: 1 DIF: L2 3-4 Parallel Lines and the Triangle Angle-Sum Theorem 3-4.1 Finding Angle Measures in Triangles STA: CA GEOM 12.0| CA GEOM 13.0 3-4 Example 1 KEY: triangle | sum of angles of a triangle C PTS: 1 DIF: L3 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 4 proportion | Cross-Product Property | scale | word problem B PTS: 1 DIF: L3 REF: 7-5 Proportions in Triangles 7-5.1 Using the Side-Splitter Theorem CA GEOM 4.0| CA GEOM 5.0| CA GEOM 7.0 TOP: 7-5 Example 1 Side-Splitter Theorem B PTS: 1 DIF: L3 REF: 6-7 Proofs Using Coordinate Geometry 6-7.1 Building Proofs in the Coordinate Plane STA: CA GEOM 17.0 algebra | coordinate plane | isosceles trapezoid | midsegment A PTS: 1 DIF: L2 REF: 2-3 Deductive Reasoning 2-3.1 Using the Law of Detachment STA: CA GEOM 1.0 2-3 Example 2 KEY: Law of Detachment | deductive reasoning B PTS: 1 DIF: L3 REF: 7-4 Similarity in Right Triangles 7-4.1 Using Similarity in Right Triangles STA: CA GEOM 4.0| CA GEOM 5.0 7-4 Example 2 KEY: corollaries of the geometric mean | proportion D PTS: 1 DIF: L2 4-2 Triangle Congruence by SSS and SAS OBJ: 4-2.1 Using the SSS and SAS Postulates CA GEOM 2.0| CA GEOM 5.0 TOP: 4-2 Example 2 SAS | reasoning D PTS: 1 DIF: L2 REF: 5-2 Bisectors in Triangles 5-2.1 Perpendicular Bisectors and Angle Bisectors CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 5-2 Example 2 Angle Bisector Theorem | angle bisector C PTS: 1 DIF: L2 REF: 3-1 Properties of Parallel Lines 3-1.2 Properties of Parallel Lines STA: CA GEOM 2.0| CA GEOM 4.0| CA GEOM 7.0 3-1 Example 3 proof | two-column proof | supplementary angles | parallel lines | reasoning C PTS: 1 DIF: L2 5-4 Inverses, Contrapositives, and Indirect Reasoning 5-4.1 Writing the Negation, Inverse, and Contrapositive STA: CA GEOM 2.0 5-4 Example 1 KEY: negation B PTS: 1 DIF: L2 REF: 5-5 Inequalities in Triangles 5-5.1 Inequalities Involving Angles of Triangles STA: CA GEOM 2.0| CA GEOM 6.0 5-5 Example 2 KEY: Theorem 5-10 A PTS: 1 DIF: L2 REF: 3-5 The Polygon Angle-Sum Theorems 3-5.2 Polygon Angle Sums STA: CA GEOM 12.0| CA GEOM 13.0 3-5 Example 4 KEY: exterior angle | Polygon Angle-Sum Theorem B PTS: 1 DIF: L3 REF: 7-4 Similarity in Right Triangles 7-4.1 Using Similarity in Right Triangles STA: CA GEOM 4.0| CA GEOM 5.0 7-4 Example 1 KEY: geometric mean | proportion D PTS: 1 DIF: L2 REF: 4-1 Congruent Figures 4-1.1 Congruent Figures STA: CA GEOM 4.0| CA GEOM 5.0| CA GEOM 12.0 4-1 Example 1 KEY: congruent figures | corresponding parts 3 ID: A 42. ANS: C PTS: 1 DIF: L2 REF: 6-5 Trapezoids and Kites OBJ: 6-5.1 Properties of Trapezoids and Kites STA: CA GEOM 7.0| CA GEOM 12.0| CA GEOM 13.0 TOP: 6-5 Example 1 KEY: trapezoid | base angles | Theorem 6-15 43. ANS: A PTS: 1 DIF: L3 REF: 2-1 Conditional Statements OBJ: 2-1.1 Conditional Statements KEY: conditional statement | truth value | hypothesis | conclusion 44. ANS: C PTS: 1 DIF: L2 REF: 1-6 Measuring Angles OBJ: 1-6.2 Identifying Angle Pairs TOP: 1-6 Example 4 KEY: supplementary angles 45. ANS: C PTS: 1 DIF: L2 REF: 1-1 Patterns and Inductive Reasoning OBJ: 1-1.1 Using Inductive Reasoning STA: CA GEOM 1.0| CA GEOM 3.0 TOP: 1-1 Example 4 KEY: conjecture | inductive reasoning | word problem | problem solving 46. ANS: D PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar OBJ: 7-3.1 The AA Postulate and the SAS and SSS Theorems STA: CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 2 KEY: Angle-Angle Similarity Postulate | Side-Side-Side Similarity Theorem | Side-Angle-Side Similarity Theorem 47. ANS: C PTS: 1 DIF: L2 REF: 4-1 Congruent Figures OBJ: 4-1.1 Congruent Figures STA: CA GEOM 4.0| CA GEOM 5.0| CA GEOM 12.0 TOP: 4-1 Example 1 KEY: congruent figures | corresponding parts 48. ANS: A PTS: 1 DIF: L2 REF: 4-2 Triangle Congruence by SSS and SAS OBJ: 4-2.1 Using the SSS and SAS Postulates STA: CA GEOM 2.0| CA GEOM 5.0 TOP: 4-2 Example 1 KEY: SSS | reflexive property | proof 49. ANS: B PTS: 1 DIF: L3 REF: 3-5 The Polygon Angle-Sum Theorems OBJ: 3-5.2 Polygon Angle Sums STA: CA GEOM 12.0| CA GEOM 13.0 KEY: pentagon | exterior angle | sum of angles of a polygon 50. ANS: C PTS: 1 DIF: L2 REF: 6-2 Properties of Parallelograms OBJ: 6-2.1 Properties: Sides and Angles STA: CA GEOM 7.0| CA GEOM 13.0 KEY: parallelogram | opposite angles | consectutive angles | transversal 51. ANS: D PTS: 1 DIF: L2 REF: 7-3 Proving Triangles Similar OBJ: 7-3.1 The AA Postulate and the SAS and SSS Theorems STA: CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 7-3 Example 2 KEY: Angle-Angle Similarity Postulate | Side-Angle-Side Similarity Theorem | Side-Side-Side Similarity Theorem 52. ANS: D PTS: 1 DIF: L2 REF: 6-3 Proving That a Quadrilateral is a Parallelogram OBJ: 6-3.1 Is the Quadrilateral a Parallelogram? STA: CA GEOM 7.0| CA GEOM 12.0 TOP: 6-3 Example 2 KEY: opposite angles | parallelogram | Theorem 6-8 53. ANS: B PTS: 1 DIF: L3 REF: 6-4 Special Parallelograms OBJ: 6-4.2 Is the Parallelogram a Rhombus or a Rectangle? STA: CA GEOM 7.0| CA GEOM 12.0| CA GEOM 13.0 KEY: square | reasoning 54. ANS: B PTS: 1 DIF: L2 REF: 2-2 Biconditionals and Definitions OBJ: 2-2.1 Writing Biconditionals TOP: 2-2 Example 1 KEY: conditional statement | biconditional statement 4 ID: A 55. ANS: OBJ: KEY: 56. ANS: OBJ: TOP: 57. ANS: OBJ: KEY: 58. ANS: OBJ: TOP: 59. ANS: REF: TOP: 60. ANS: OBJ: TOP: 61. ANS: OBJ: TOP: 62. ANS: OBJ: KEY: 63. ANS: REF: OBJ: TOP: 64. ANS: OBJ: KEY: 65. ANS: REF: STA: KEY: 66. ANS: REF: OBJ: TOP: 67. ANS: OBJ: TOP: 68. ANS: OBJ: TOP: 69. ANS: OBJ: TOP: A PTS: 1 DIF: L2 REF: 7-2 Similar Polygons 7-2.1 Similar Polygons TOP: 7-2 Example 1 similar polygons | corresponding sides B PTS: 1 DIF: L2 REF: 1-1 Patterns and Inductive Reasoning 1-1.1 Using Inductive Reasoning STA: CA GEOM 1.0| CA GEOM 3.0 1-1 Example 1 KEY: pattern | inductive reasoning A PTS: 1 DIF: L2 REF: 7-2 Similar Polygons 7-2.1 Similar Polygons TOP: 7-2 Example 3 corresponding sides | proportion | similar polygons A PTS: 1 DIF: L2 REF: 6-2 Properties of Parallelograms 6-2.1 Properties: Sides and Angles STA: CA GEOM 7.0| CA GEOM 13.0 6-2 Example 2 KEY: parallelogram | algebra | Theorem 6-1 C PTS: 1 DIF: L2 6-6 Placing Figures in the Coordinate Plane OBJ: 6-6.1 Naming Coordinates 6-6 Example 2 KEY: parallelogram | coordinate plane | algebra B PTS: 1 DIF: L2 REF: 5-1 Midsegments of Triangles 5-1.1 Using Properties of Midsegments STA: CA GEOM 17.0 5-1 Example 1 KEY: midsegment | Triangle Midsegment Theorem C PTS: 1 DIF: L2 REF: 4-1 Congruent Figures 4-1.1 Congruent Figures STA: CA GEOM 4.0| CA GEOM 5.0| CA GEOM 12.0 4-1 Example 4 KEY: congruent figures | corresponding parts | proof C PTS: 1 DIF: L2 REF: 6-1 Classifying Quadrilaterals 6-1.1 Classifying Special Quadrilaterals STA: CA GEOM 12.0 trapezoid B PTS: 1 DIF: L2 5-4 Inverses, Contrapositives, and Indirect Reasoning 5-4.1 Writing the Negation, Inverse, and Contrapositive STA: CA GEOM 2.0 5-4 Example 2 KEY: contrapositive D PTS: 1 DIF: L2 REF: 7-2 Similar Polygons 7-2.1 Similar Polygons TOP: 7-2 Example 1 similar polygons A PTS: 1 DIF: L2 4-2 Triangle Congruence by SSS and SAS OBJ: 4-2.1 Using the SSS and SAS Postulates CA GEOM 2.0| CA GEOM 5.0 TOP: 4-2 Example 3 SSS | SAS | reasoning C PTS: 1 DIF: L2 4-3 Triangle Congruence by ASA and AAS 4-3.1 Using the ASA Postulate and the AAS Theorem STA: CA GEOM 2.0| CA GEOM 5.0 4-3 Example 3 KEY: ASA | reasoning D PTS: 1 DIF: L2 REF: 5-5 Inequalities in Triangles 5-5.2 Inequalities Involving Sides of Triangles STA: CA GEOM 2.0| CA GEOM 6.0 5-5 Example 5 KEY: Triangle Inequality Theorem D PTS: 1 DIF: L2 REF: 3-5 The Polygon Angle-Sum Theorems 3-5.2 Polygon Angle Sums STA: CA GEOM 12.0| CA GEOM 13.0 3-5 Example 5 KEY: angle | pentagon | Polygon Angle-Sum Theorem D PTS: 1 DIF: L2 REF: 1-1 Patterns and Inductive Reasoning 1-1.1 Using Inductive Reasoning STA: CA GEOM 1.0| CA GEOM 3.0 1-1 Example 1 KEY: pattern | inductive reasoning 5 ID: A 70. ANS: REF: OBJ: TOP: 71. ANS: OBJ: TOP: 72. ANS: OBJ: STA: KEY: 73. ANS: OBJ: STA: KEY: 74. ANS: OBJ: KEY: 75. ANS: REF: STA: KEY: 76. ANS: OBJ: TOP: 77. ANS: OBJ: TOP: 78. ANS: OBJ: KEY: 79. ANS: OBJ: TOP: 80. ANS: OBJ: TOP: B PTS: 1 DIF: L2 4-3 Triangle Congruence by ASA and AAS 4-3.1 Using the ASA Postulate and the AAS Theorem STA: CA GEOM 2.0| CA GEOM 5.0 4-3 Example 1 KEY: ASA B PTS: 1 DIF: L2 REF: 1-3 Points, Lines, and Planes 1-3.1 Basic Terms of Geometry STA: CA GEOM 1.0 1-4 Example 1 KEY: point | line | collinear points A PTS: 1 DIF: L2 REF: 5-2 Bisectors in Triangles 5-2.1 Perpendicular Bisectors and Angle Bisectors CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 5-2 Example 1 perpendicular bisector | Perpendicular Bisector Theorem B PTS: 1 DIF: L3 REF: 5-2 Bisectors in Triangles 5-2.1 Perpendicular Bisectors and Angle Bisectors CA GEOM 2.0| CA GEOM 4.0| CA GEOM 5.0 TOP: 5-2 Example 2 Converse of the Angle Bisector Theorem | angle bisector B PTS: 1 DIF: L2 REF: 7-1 Ratios and Proportions 7-1.1 Using Ratios and Proportions TOP: 7-1 Example 2 Cross-Product Property | proportion B PTS: 1 DIF: L2 3-8 Constructing Parallel and Perpendicular Lines OBJ: 3-8.2 Constructing Perpendicular Lines CA GEOM 16.0 TOP: 3-8 Example 3 construction | perpendicular lines C PTS: 1 DIF: L2 REF: 7-4 Similarity in Right Triangles 7-4.1 Using Similarity in Right Triangles STA: CA GEOM 4.0| CA GEOM 5.0 7-4 Example 2 KEY: corollaries of the geometric mean | proportion C PTS: 1 DIF: L2 REF: 4-1 Congruent Figures 4-1.1 Congruent Figures STA: CA GEOM 4.0| CA GEOM 5.0| CA GEOM 12.0 4-1 Example 1 KEY: congruent figures | corresponding parts | word problem C PTS: 1 DIF: L2 REF: 2-1 Conditional Statements 2-1.1 Conditional Statements TOP: 2-1 Example 1 conditional statement | hypothesis | conclusion C PTS: 1 DIF: L2 REF: 1-3 Points, Lines, and Planes 1-3.2 Basic Postulates of Geometry STA: CA GEOM 1.0 1-4 Example 3 KEY: plane | intersection of two planes B PTS: 1 DIF: L2 REF: 1-1 Patterns and Inductive Reasoning 1-1.1 Using Inductive Reasoning STA: CA GEOM 1.0| CA GEOM 3.0 1-1 Example 3 KEY: conjecture | counterexample 6