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Geometry Final – 1st Semester (Chapters 1-6) – Part 1 Name ______________________ Use the diagram to name the figures. Be sure to use correct notation. 1. Three noncollinear points 2. Two opposite rays 3. One line segment 4. Three collinear points 5. Two rays which are not opposite rays Find the distance between each pair of points. Show all work. 6. A(3,2), B(2,0) 7. E(-1,0), F(2,-4) 2007-2008 1 Use the diagram to find the measure of the angle. 8. EAB 9. CAF 10. BAD Classify the following angles (refer to the diagram for questions 8-10). 11. EAB 12. CAF 13. EAD uuur BT bisects ABC . Find the value of x. Show all work and circle your final answer. 14. 15. 2007-2008 2 Find the value of the variable. Show all work and circle your final answer. 16. 17. Find the perimeter and area of each figure. 18. 19. 20. 2007-2008 3 Write the inverse, converse, and contrapositive of the conditional statement. 21. If you like hockey, then you go to the hockey game. Inverse: Converse: Contrapositive: 22. If x is odd, then 3x is odd. Inverse: Converse: Contrapositive: Using p and q below, write the symbolic statement in words. p: The sky is cloudy. q: It is raining. 23. : p 24. p q 25. : q : p 2007-2008 4 Match the statement with the Property of Equality. A. Addition Property B. Reflexive Property C. Substitution Property D. Transitive Property E. Symmetric Property F. Multiplication Property G. Subtraction Property 26. _____ If JK PQ and PQ ST , then JK ST . 27. _____ If mS 30o , then 5o mS 35o 28. _____ If AB CD EF CD , then AB EF 29. _____ AB AB 30. _____ If x 4 and y x 5 , then y 9 . 31. _____ If mK 45o , then 3 mK 135o 32. _____ If mP mQ , then mQ mP . Solve for the x using the given information. Show all work. 33. Given: GM 28 Use the diagram to decide whether the statement is true or false. 34. If m5 42o , then m6 48o . 35. If m5 42o , then m7 42o . 2007-2008 5 Use the diagram to find the measure of the indicated angles. 36. mACD mACB Think of each segment in the diagram as part of a line. Fill in the blank with parallel, skew, or perpendicular. suur suur 37. WX and WT are _________________. suur suur 38. RS and VW are _________________. suuur suuur 39. TU and WX are _________________. Complete the statement with corresponding, alternate interior, alternate exterior, or same-side interior. 40. 6 and 10 are _______________ angles. 41. 7 and 9 are _______________ angles. 42. 8 and 9 are _______________ angles. 2007-2008 6 Find the value of x. Be sure to show all your work. 43. 44. Find the values of x and y. Be sure to show all your work. 45. 46. 2007-2008 7 In questions 47-48, is it possible to prove that lines p and q are parallel? If so, give the reason. 47. 48. In exercises 49-50, use the diagram to state whether the given angles are supplementary or congruent. 49. 2 and 6 are _______________________. 50. 3 and 5 are _______________________. 2007-2008 8 Geometry Final – 1st Semester (Chapters 1-6) – Part 2 Name ______________________ 1. Find the slope of the line that passes through the points (3,-3) and (0,9). The slopes of two lines are given. Are the lines parallel, perpendicular, or neither? 2. m1 3, m2 1 3 2 5 3. m1 , m2 5 2 Identify all triangles in the figure that fit the given description. 4. equilateral 5. scalene 6. obtuse Find the value of x. Be sure to show all your work. 7. 8. 2007-2008 9 Decide whether the figure is a polygon. Write ‘yes’ or ‘no’ next to each figure. 9. 10. 11. Decide whether each statement is always, sometimes, or never true. 12. A rhombus is a square. 13. A rectangle is a parallelogram. 14. A trapezoid is a parallelogram. 15. Find the value of x. 2007-2008 10 What special type of quadrilateral is shown? 16. 17. 18. Find the value of x. Be sure to show all your work. 19. 20. 2007-2008 11 21. List the 5 ways to prove triangles congruent. Decide whether enough information is given to prove that the triangles are congruent. If there is enough information, state the congruent postulate you would use. 22. 23. 24. 25. 26. 27. 2007-2008 12 28. Complete the proof by supplying the reasons. Given: AB DC, AD BC Prove: A C Statement Reason AB DC AD BC BD BD ABD CDB A C 29. Prove the following in the space provided. Given: AC AD BC BD Prove: ACB ADB 2007-2008 13 Use the diagram to answer the following. 30. If RI IT , which angles are congruent? 31. If TN IT , which angles are congruent? 32. If 1 6 , which segments are congruent? 33. Use construction techniques with your compass and straightedge to copy the segment below. Label the new segment GH , then construct the perpendicular bisector to GH . Finally, label the midpoint of GH point M. Find the indicated measure in each exercise. 34. The perpendicular bisectors of XYZ meet at point P. Find PX. 35. The angle bisectors of XYZ meet at point P. Find PM. 2007-2008 14 In Exercises 37-39, complete the statement with the word always, sometimes, or never. 36. The perpendicular bisectors of a triangle will ____________________ intersect on the triangle. 37. The angle bisectors of a triangle will ____________________ intersect outside the triangle. 38. The medians of an acute triangle will ____________________ intersect inside the triangle. Use the figure shown and the given information. L is the centroid of MNO , NP=11, ML=10, and NL=8. 39. Find the length of PO . 40. Find the length of MP . 41. Find the length of LQ . 42. Find the length of NQ . In the diagram of XYZ where A, B, and C are the midpoints of the sides. 43. AB ____ 44. If AC=3, then XZ= _____ 2007-2008 15 45. Find the perimeter of ABC given AX=2, XY=3, BC=9. 46. Find the value of x. Show all your work and circle your final answer. 47. List the sides in order from shortest to longest. 48. List the angles in order from smallest to largest. 2007-2008 16 49. Using your compass, construct the angle bisectors to A,B, and C . Label the intersection of the three angle bisectors point P. What is the special name for this point? 2007-2008 17