Geometry A – Final Exam Review Packet Name: _______________ ___/27 Intro to Geometry Review Score: ______178 13. Two supplementary angles are in ratio 11:7. Find the measure of each. 1. An acute has a measure of __________. 2. A right has a measure of __________. 3. An obtuse has a measure of _________. 14. In the figure bisects FCB . If CG FCG = 9x + 3 and GCB = 13x-9, find GCB and classify the type of angle. 4. A straight has a measure of ____________. 5. Draw and label a plane Q. Put each of the following relationships in this plane. a. is in plane Q. AB b. intersects at P. ST AB c. Point X is collinear with points A and P. d. Point Y is not collinear with points T and P. e. Line contains points X and Y. The figure below refers to problems 15-16. Line AD line CF, and mDOE=63. 6. Find the length of BC . A 13cm B 25cm C 15. Find mEOF. 7. Find y if B is between A and C, AB is 2y, BC is 6y and AC is 48. 16. Find mAOB. 17. 2 comp 3 and 4 = 131. Find the measure of the rest of the angles. 8. Find the complement of 40º. 9. Find the supplement of 150º. 10. 1 of 2 complementary angles is twice the other. Find the measure of the angles. 11. One of 2 supplementary angles is 70 greater than the 2nd. Find the measure of the larger angle. 12. If 2 angles are both supplementary and congruent, then they are ____________. 1 a. b. c. d. e. f. g. 1 = 2 = 3 = 5 = 6 = 7 = 8 = _________________ _________________ _________________ _________________ _________________ _________________ _________________ Rev D.1 Geometry A – Final Exam Review Packet Name: _______________ ___/32 Reasoning & Proofs Review 18. What are some things that can be assumed? a. ________________________ b. ________________________ c. ________________________ d. ________________________ 19. What are some things that cannot be assumed? a. ________________________ b. ________________________ c. ________________________ d. ________________________ 21. What are two things that can be concluded from “Right Angle”? a. ________________________ b. ________________________ 22. What is one thing that can be concluded from “Midpoint”? a. ________________________ 23. What is one thing that can be concluded from “Bisect”? a. ________________________ For questions 24-26, provide possible conclusions based on the diagram and given information. D B 27. Identify the hypothesis and conclusion of the following statement: If 2 lines are perpendicular then they form 4 right angles. 28. Write converse, inverse and contrapositive of “If today is President’s Day, then there is no school.” a. Converse: b. Inverse: 20. What are two things that can be concluded from “Straight Angle”? a. ________________________ b. ________________________ 24. Given: A is a right Conclusion: A Score: ______178 C 25. Given: 3 sup to 4, 5 sup to 4 Conclusion: c. Contrapositive 29. Write the converse, inverse and contrapositive of “a → b” a. Converse: b. Inverse: c. Contrapositive 30. Complete a truth table for r s (3pts) For problems 31-35, state the property that justifies each statement. 31. AB AB 32. If A P then P A . 33. If XY PQ then XY PQ . 2 2 34. If 3( x 6) 0 then 3x 18 0 . 35. If a = b and b = c then a = c. 26. Given: F sup G, H sup J, G J Conclusion: 2 Rev D.1 Geometry A – Final Exam Review Packet Name: _______________ ___/22 Lines in the Plane Review (Coordinates & Parallel Lines) Score: ______178 44. Identify the following pairings: 36. What is the slope formula? 37. What is the midpoint formula? 38. What is the distance formula? a. alternate interior: 39. Find the slope of the line that passes through (1, 3) and (5, -2) b. alternate exterior: c. corresponding: 40. Find the coordinates of the point where the median from A intersects BC. (-4,3) B (6,5) A d. same side interior: e. same side exterior: 45. Given that m14 51 , find the value of the rest of the angles. C (6,-1) 41. Given the following coordinate (2,-3) perform the following transformations. a. reflect over x-axis b. reflect over y-axis c. translate to up 3 units 46. Find m1 42. List 5 ways to prove || lines. a. __________________ b. __________________ c. __________________ d. __________________ e. __________________ 1 43. Find x so that e ||f a. b. 3 Rev D.1 Geometry A – Final Exam Review Packet Name: _______________ ___/26 Triangle Properties Review Score: ______178 60. Find the value of x a. b. 47. An acute triangle has ___________________ 48. An obtuse triangle has __________________ 49. A right triangle has _____________________ 50. An equiangular triangle has ______________ 51. An equilateral triangle has _______________ 52. An isosceles triangle has ________________ 53. A scalene triangle has __________________ 54. A median is __________________________ 55. An altitude is _________________________ 56. Given YA is a median and XA x 6 and ZA 2 x 12 find ZX 61. Based on the diagram above, identify 5 angle relationships: a. ______________________ b. ______________________ c. ______________________ d. ______________________ e. ______________________ 62. Name the longest side of ∆ABC. 57. Determine whether the given measures can be lengths of the sides of a triangle: a. 2, 4, 5 b. 6, 9, 15 63. Name the smallest angle of ∆ABC. 58. Find the range for the measure of the third side of the triangle given the measures of 2 sides: a. 1 and 6 b. 82 and 8 64. Determine the relationship between the lengths of the sides AE and EB. 59. Determine the type of triangle, if any, based on the lengths of the 3 sides (Hint use Pythagorean Theorem): a. 8, 15, 17 b. 1, 1, 2 4 Rev D.1 Geometry A – Final Exam Review Packet Name: _______________ ___/28 Triangles Review 65. What are some ways to prove 2 triangles are congruent? a. ______________________ b. ______________________ c. ______________________ d. ______________________ 66. What must you have in order to use the HL postulate? a. ______________________ b. ______________________ c. ______________________ Score: ______178 71. Given the following indirect proof, what must be assumed? Given: AB AD, BAC DAC Prove: BC DC Complete the following proofs. 72. Given: FGI IGH, GI FH Prove: ∆GIH is a right ∆ 67. Can CPCTC be used as a reason in a proof before proving any triangles are congruent? 68. When given a circle as a diagram, what can one assume? Statements 1. 2. 3. 4. Reasons 1. 2. 3. 4. 69. Determine whether the pair of triangles is a. congruent. If so, write a congruence statement and explain why the triangles are congruent. b. 73. Given: C H, T is midpoint of AO Prove: ∆CAT ∆HOT Statements 1. 2. 3. 4. 5. 70. Indicate the needed information to make the 2 triangles congruent via AAS. Reasons 1. 2. 3. 4. 5. 74. Given: HGJ KJG, KGJ HJG Prove: HG KJ Statements 1. 2. 3. 4. 5. 5 Reasons 1. 2. 3. 4. 5. Rev D.1 Geometry A – Final Exam Review Packet Name: _______________ ___/43 Polygons & Quadrilaterals 75. List 3 properties of a polygon. a. _________________ b. _________________ c. _________________ 76. Name the polygon based by its # of sides, convex/concave and regular/irregular. Score: ______178 82. Name all quadrilaterals that have congruent opposite angles. a. ____________________ b. ____________________ c. ____________________ d. ____________________ 83. Name all quadrilaterals that have congruent diagonals. a. ____________________ b. ____________________ c. ____________________ Use rhombus QRST for Questions 84 – 86. 77. List the properties of a parallelogram. 1.____________ 2.____________ 3.____________ 4.____________ 5.____________ 6.____________ 78. Beyond the properties of a parallelogram, list the properties of a rhombus. 1.____________ 2.____________ 3.____________ 4.____________ 5.____________ 84. If m∠QTS = 56, find m∠1. 85. If m∠P = 6x, find x. 86. If TP = 15, find TR. 79. Name all the properties of a kite. Which shapes also have these properties? 1.____________ 2.____________ 3.____________ 4.____________ 5.____________ Use rectangle ABCD for Questions 87 – 88. 87. If m∠DCE = 4x+5 and m∠DEC = 5x + 14. Find x. 80. Name all the properties of a square. 1.____________ 2.____________ 3.____________ 88. If DC = 4x – 30 and AB = 30-x, find DC. 81. List the properties of an isosceles trapezoid. 1.____________ 2.____________ 3.____________ 4.____________ 5.____________ 6.____________ 89. The bases of a trapezoid are 12 and 26. Find the length of the median. 90. Draw the quadrilateral tree representing the relationship of the various quadrilaterals. 6 Rev D.1