9 26 midsegment 4 10 D B !C 7 1 False 61. DC , AC , AD , line n 62. DC C , AC , AD , line n 61. True 63. C5 62. C 62. D 64. 51 63. 5 63. Substitution of Equality 65. 1D, F, G or A, K, G 64.Property 1 64. 66. D, any the same plane Multiplication property of A, equality 65. D, F, G or K, G 65. F, 4Gpoints or A, on K, G 67. any plane CAG, on plane any 4 of points on the same plane 66. Symmetric66. Property Equality 4 points theABD same plane 68. plane 32.5 CAG, mm plane ABD Isosceles 67. plane CAG, plane ABD 67. 69. 32.5 9 mm 68. 32.5 mm 51 68. 70. 910 69. 9 14° 69. 71. 10 72 70. 90.5° 10 68.4°, 21.1°, 70. 72. 72 140 72c = 90°; d = 62°; e = 10.7 ft 71. a = 5 ft; b71. = 28°; 73. 140 m!1 = 47, m!2 = 74, m!3 = 69 72. 140 72. "WXZ # "WYZ; SSS 73. m!1 = 47, m!2 = 74, m!3 = 6973. 74. m!1 m!1==47, 77,m!2 m!2==74, 36,m!3 m!3==69 30 AC # CE 74. m!1 = 77, m!2 = 36, m!3 = 3074. m!1 = 77, m!2 = 36, m!3 = 30 Yes; "TUV # "WXV by SAS Congruence ! 75. m!K = 63° SAS ! 76. "ABC # "JKL,2HL AAS ! 77. [1] AC = 3AE + AE, AB = 3AD + AD AAS [2] Transitive Property of Equality ASA [3] Reflexive Property of Congruence ! 2 2 1 False 61. DC , AC , AD , line n 62. DC C , AC , AD , line n 61. True 63. C5 62. C 62. D 64. 51 63. 5 63. Substitution of Equality 65. 1D, F, G or A, K, G 64.Property 1 64. 66. D, any the same plane Multiplication property of A, equality 65. D, F, G or K, G 65. F, 4Gpoints or A, on K, G 67. any plane CAG, on plane any 4 of points on the same plane 66. Symmetric66. Property Equality 4 points theABD same plane 68. plane 32.5 CAG, mm plane ABD Isosceles 67. plane CAG, plane ABD 67. 69. 32.5 9 mm 68. 32.5 mm 51 68. 70. 910 69. 9 14° 69. 71. 10 72 70. 90.5° 10 68.4°, 21.1°, 70. 72. 72 140 72c = 90°; d = 62°; e = 10.7 ft 71. a = 5 ft; b71. = 28°; 73. 140 m!1 = 47, m!2 = 74, m!3 = 69 72. 140 72. "WXZ # "WYZ; SSS 73. m!1 = 47, ID: m!2 74. m!1 m!1==47, 77,m!2 m!2==74, 36,m!3 m!3==69 30 A = 74, m!3 = 6973. AC # CE 74. m!1 = 77, m!2 = 36, m!3 = 3074. m!1 = 77, m!2 = 36, m!3 = 30 Yes; "TUV # "WXV by SAS Congruence ! 75. m!K = 63° SAS ! 76. "ABC # "JKL,2HL AAS ! 77. [1] AC = 3AE + AE, AB = 3AD + AD AAS [2] Transitive Property of Equality ASA [3] Reflexive Property of Congruence 9 26 midsegment 4 10 D B !C 7 43. 6 36. 37. 38. 39. 40. 41. 42. 30. 31. 32. 33. ID: A34. 35. ! 2 2 ID: ID: A ID: A 36. midsegment 36. midsegment 36. midsegment 36. midsegment ID: A ID: A 37. 4 37. 4 36. midsegment 36. midsegment 37. 4 37. 4 38. 10 38. 10 37. 4 37. 4 38. 10 38. 10 39. D 39. D 38. 10 38. 10 39. D 39. D Geometry Midterm Study Guide Geometry Midterm Study Guide 40. B 40. B 39. D 39. D 40. B 40. B Answer Section Answer Section 41. !C 41. !C 40. B 40. B 41. !C 41. !C 42. 7 42. 7 41. !C 41. !C 42. 7 42. 7 9 9 1. 1. ! ! 42. 42. 43. 76 43. 76 9 9 26 26 ! ! 43. 6 43. 6 9 9 26 26 43. 43. ! ! 44. 624.9 44. 624.9 26 26 44. 24.9 44. 24.9 ! ! 45. D 45. D 44. 24.9 44. 24.9 ! ! 45. D 45. D 46. 18 ft 46. 18 ft 45. D 45. D 2. 2. ! ! 46. 18 ft 46. 18 ft 47. 15.6 cm 47. 15.6 cm 46. 18 ft 46. 18 ft ! ! 47. 15.6 cm 47. 15.6 cm 48. Similar; "ABC # "DEF 48. Similar; "ABC # "DEF 47. 15.6 cm 47. 15.6 cm ! ! 48. Similar; "ABC # "DEF 48. Similar; "ABC # "DEF 49. 60 49. 60 48. Similar; "ABC # "DEF 48. Similar; "ABC # "DEF ! ! 49. 60 49. 60 50. 50. 49. 60 218 ft 49. 60 218 ft ! ! Answers will P, V,ftand R 3. Answers will P, V,ftand R 50. vary.218 50. vary.218 2 2 2 2 2 2 ! ! 51. e 218 = f ft+ g 51. e 218 = f ft+ g 50. 50. 2 2 2 2 2 2 D 4. D 51. e = f + g 51. e = f + g ! ! 2 2 2 2 2 2 52. 9.592 52. 9.592 51. e = f + g 51. e = f + g 47° 5. 47° ! ! 52. 9.592 52. 9.592 53. 65 53. 65 52. 9.592 52. 9.592 m!JHI = 19° and m!GHI = 46° 6. m!JHI = 19° and m!GHI = 46° ! ! 53. 65 53. 65 54. a. right 54. a. right 53. 65 53. 65 !C , !DCE , !ECD 7. !C , !DCE , !ECD ! ! 54. a. right 54. a. right b. no b. no ! ! 54. a. right 54. a. right 7, 120° 8. 7, 120° b. no b. no c. obtuse c. obtuse ! ! b. no b. no obtuse 9. obtuse c. obtuse c. obtuse d. acute d. acute c. obtuse c. obtuse ! ! % & & $ % & & $ m!S = 55° 10. m!S = 55° d. acute d. acute acute acute ! ! 55. d.DB , line m 55. d.DB , line m m!G = 113° %&&$ 11. m!G = 113° %&&$ %& & $ %& & $ 55. DB , line m 55. DB , line m ! ! 56. DB H , line m 56. DB H , line m 55. 55. x=3 12. x = 3 ! ! 56. H 56. H 57. plsne(any 3 uppercase letters in plane, except K, and ADC or BDJ), or plane K 57. plsne(any 3 uppercase letters in plane, except K, and ADC o 56. H 56. H 107° 13. 107° & & $ % & & $ % & & $ & & $ % & & $ % & & $ 57. plsne(any 3 uppercase letters in plane, % except K, and ADC or BDJ), or plane K ! 57. plsne(any 3 uppercase letters in plane, % except K, and ADC orletters BDJ),inor planeexcept K ! K, and ADC or 57. letters in plane, except K, and ADC or BDJ), or plane 57. plsne(any plane, 58. plsne(any DC , AC , 3oruppercase AD 58. DC , AC , 3oruppercase AD !1 and !3 or !2 14. !1 and !3K or !2 %& & $ and %& & $!4 %& & $ %& & $ and %& & $!4 %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ DC , AC ,then or AD DC , AC ,then or AD 59. DC D , AC , or AD 59. DC D , AC , or AD If a figure 58. is a triangle, it has three sides. 58. 15. If a figure 58. is a triangle, it has three sides. 58. 59. D 59. D 60. Yes, it intersects both m and n when all three are extended. 16. the hypothesis 60. Yes, it intersects both m and n when all three are extended. the hypothesis 59. D 59. D %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ 60. Yes, it intersects both m and n when three are extended. 60. Yes, it intersects both m and n when three are extended. The conclusion 60. Yes, intersects both 60. Yes, intersects both 61. all DC ,itAC , AD , line n m and n when all three are extended. 17. The conclusion 61. all DC ,itAC , AD , line n m and n when all three are extended. %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ %& & $ 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 6