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3 rd Nine Weeks Exam Review Guide Answers: (1a). FM (1b). BD (1c). BM

3 rd Nine Weeks Exam Review Guide Answers: (1a). FM (1b). BD (1c). BM (2). 12 and 28 (3). 5 and 25 (4a). Yes (4f). Yes (4k). Yes (4b). No (4g). No (4L). Yes (4c). Yes (4h). Yes (4d). No (4i). No (4e). No (4j). No.

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3 rd Nine Weeks Exam Review Guide Answers: (1a). FM (1b). BD (1c). BM

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  1. 3rd Nine Weeks Exam Review Guide Answers: (1a). FM (1b). BD (1c). BM (2). 12 and 28 (3). 5 and 25 (4a). Yes (4f). Yes (4k). Yes (4b). No (4g). No (4L). Yes (4c). Yes (4h). Yes (4d). No (4i). No (4e). No (4j). No

  2. 3rd Nine Weeks Exam Review Guide Answers: (5). circumcenter (6). orthocenter (7). centroid (8). incenter (9). circumcenter (10). centroid (11). incenter (12). incenter

  3. 3rd Nine Weeks Exam Review Guide Answers: (13). (14). 64º (15). 128º (16). Right, Scalene Triangle and (17). Obtuse, Scalene Triangle and

  4. 3rd Nine Weeks Exam Review Guide Answers: (18). 65º (19). 20 (20). 56 (21). x < 120 (22). 2x < x + 10; x < 10 (23).

  5. 24. 10x + 10 = 180; x = 17, • HL 26. SAS • AAS 28. NOT POSSIBLE • 29. 1. bisects ; 1. Given • 2. 2. Vertical angles are • 3. 3. Definition of bisector • 4. 4. ASA • 5. 5. CPCTC

  6. 1. 1. Given • 2. Assume l m 2. Assumption leading to a contradiction • 3. 3. Corresponding angles are • 4. l is not to m 4. Contradiction between 1 and 3 31. P = 10x + 4 A = 6x2 + x – 15

  7. 32. B, C, D, F 33. B, F • 34. B, C, F 35. D • 36. C • 37. a. legs are congruent • b. diagonals are congruent • c. base angles are congruent • d. bases are parallel

  8. 38. a. both pairs of opposite edges are parallel b. both pairs of opposite edges are congruent c. both pairs of opposite angles are congruent d. diagonals bisect each other e. consecutive angles are supplementary 39. a. diagonals are congruent b. 4 right angles 40. a. diagonals are perpendicular b. diagonals bisect opposite angles

  9. 41. a. 4 right angles • b. diagonals are perpendicular • c. diagonals are congruent • d. diagonals bisect opposite angles • 42. a. 720 b. 120 • c. 360 d. 60 • 43. 2x + 3 + 3x + 102 + 100 = 360 • x = 31

  10. 44. • 45. 6x –18 = 6 46. • x = 4 x = 7 • 46. 160 square units 47. 105 square units • 48. 12.6 square units 49. 48 square units • 50. 16.95 square units

  11. 51. 52. 53. 54. -2 55. 5 56. 57. 58. 59. 60. 61. 62.

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