Chapter 1 HW Answers - Math Notes PDF

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Chapter 1 HW Solutions 1.2 p 19 # 23-26, 39, 43, 45

23. a = 4, YX = 20 24. d = 2, YZ = 16 " % 25. n = 4 , YZ = 1 #

26. 39. 43. 45.

#

a = 6, YZ = 38 JK = 12, KL = 16 D D

1.3 p 31 # 27, 30, 46-48, 52, 53, 56, 64 27. 53 30. 29 " 46. (−1, − ) % 47. (1, 6) 48. (-7, -5) "" 52. ( # , 14) 53. FG = 58 56. a = 2.5 64. n = ±2

1.4 p 41 # 12-28 EVEN, 38, 40-42, 51, 52, 56, 65 12. Q 14. R 16. 𝑃𝑇, 𝑃𝑄 18. 𝑁𝑀, 𝑁𝑅 20. ∠SRM 22. ∠4 24. ∠VNQ 26. P 28. ∠6 and ∠8 38. 78° 40. 61°

41. 42. 51. 52. 56. 65.

47° 56° Sometimes 168° G x = 11, ST = 22

1.5 p 51 # 19-21, 23-32, 34, 35, 49, 53 19. 20. 21. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32.

65 12 x = 35, y = 85 x = 48, y = 21 x = 22, y = 12 ∠F = 63°, ∠E = 117° 128°, 52° 40 ∠3 = 136°, ∠4 = 44° 7 17 92° ∠JNP = 43°, ∠KNL = 43°, ∠KNJ = 94° 34. ∠ABD = 47°, ∠DBC = 43° 35. a = 8, b = 54 49. Yes, right or obtuse angles do not have complements. 53. B

Study Guide and Review p 79 # 5-8, 12-14, 17, 18, 20-26, 28-30 5. P 6. 𝑆𝑇 7. W 8. plane R 12. k = 4.5, XP = 29.5 13. Yes 14. No 17. 10 18. (7, 10) 20. (41, 14) 21. (-27, 16) 22a. ≈ 8.9 units b. (5, 9) 23. G 24. ∠CDG 25. 𝐶𝐴, 𝐶𝐻 26. 𝐶𝐴, 𝐶𝐷 28. ∠TVR 29. ∠QWP and ∠XWV 30. 21.2 CHAPTER 1 PRACTICE TEST p 83 # 1-3, 6, 7, 10, 13-17, 19 1. b 2. Q and Z 3. Q 6. 6 7. (22, -4) 10. 340 13. 72 14. 12 15. C 16. 𝐺𝐻and 𝐺𝐵 17. ∠EFC or ∠CFE 19. D...