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11. 1/3 13. 8/25 15. 5/2 17. 4/3 19. x = 8, AB = 8, BC = 28

6.1 HW pg. 360-363 #11-19 odd, 23-35 odd, 39-43 odd, 49, 51, 79, 80. 11. 1/3 13. 8/25 15. 5/2 17. 4/3 19. x = 8, AB = 8, BC = 28 23. x = 4 25. z = 42 27. c = 3 29. b = 3 31. 6 33. 16 35. 39. 12/5 41. 4/3

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11. 1/3 13. 8/25 15. 5/2 17. 4/3 19. x = 8, AB = 8, BC = 28

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  1. 6.1 HW pg. 360-363 #11-19 odd, 23-35 odd, 39-43 odd, 49, 51, 79, 80 11. 1/3 13. 8/25 15. 5/2 17. 4/3 19. x = 8, AB = 8, BC = 28 23. x = 4 25. z = 42 27. c = 3 29. b = 3 31. 6 33. 16 35. 39. 12/5 41. 4/3 43. s = 7/11 49. p = 9 51. r = 5 79. y = 3x – 1 80. y = –4x + 24

  2. 6.2 HW pg. 367-369 #3-11 odd, 12, 16-18, 28, 29 3. 5. 7. true 9. True 11. x = 10.5 12. x = 34 16. x = 12 17. x = 70/3 18. C 28. x = 1.75 29. x = 48

  3. 6.3 HW pg. 376-378 #3, 7-12, 19, 20, 31, 32 • 3. Angles: A  L, B  M, C  N • Sides: • Yes, RSTU ~ WXYZ. Scale Factor = 1/2 • Yes, CDE  TUV. Scale Factor = 5/4 • 5/2 10. x = 27.5, y = 12, z = 65°

  4. 6.3 HW pg. 376-378 #3, 7-12, 19, 20, 31, 32 11.EFGH = 34, x = 85 12. x = 36in 19. x = 24 20. Median, y = 9 31. Not similar 32. Yes, similar

  5. 6.4 HW pg. 384-386 #3-11 odd, 16, 17, 20, 26, 27, 31, 32 3. FED 5. 7. y = 20 9. F = 42°, yes, AA ~ 11. R = 60°, not similar 16. p = 20 17. x = 13.5 20. x = 20/3, BD = 35/3 = A 26. Yes, AA ~ 27. Not enough info 31. d = 400/13 = 30.8 32a. AA~ 32b. x = 78m 32c. x = 130m

  6. 6.5 HW pg. 391-394 #3-7 odd, 8-12, 15, 16, 33(a&b), 41-43 3. Scale Factor = 3/2 5. Scale Factor = 2/1, RST 7. Scale Factor = 2/3. Yes, DEF ~ WYX 8. No 9. n = 3 10. Scale Factor = 3/4. Yes, SSS ~ 11. Scale Factor = 2/3. Yes, SAS ~ 12. Scale Factor = 3/5. Yes, SAS ~ 15. Yes, AA~ 16. Not similar

  7. 6.5 HW pg. 391-394 #3-7 odd, 8-12, 15, 16, 33(a&b), 41-43 • 33a. Yes, AA~ 33b. x = 561/7 = 80.14ft • –7/10 42. AAS, QRT  STR • 43. x = 7.5

  8. 6.6 HW pg. 400-402 #3-7, 9-11, 21 Review pg. 418-420 #2-6 even, 7-16 all pg. 422 #12 • 3. x = 9 4. x = 21 • 5. Scale factor = 8/5. Yes. 6. No • 7. Scale factor = 10/9. Yes. 9. x = 10 • 10. y = 12 11. z = 1 • 21. x = 350

  9. 6.6 HW pg. 400-402 #3-7, 9-11, 21 Review pg. 418-420 #2-6 even, 7-16 all pg. 422 #12 2. 4. 15/20, 3/4 6. 7. 6.67 8. 12.5 9. Similar; ABCD ~ EFGH; 4/3 10. Similar; XYZ~ PQR; 5/2 11. 68in 12. Vertical Angles

  10. 6.6 HW pg. 400-402 #3-7, 9-11, 21 Review pg. 418-420 #2-6 even, 7-16 all pg. 422 #12 13. Triangle sum 14. 324ft 15. C  C, and side ratios are ½, similar by SAS~ 16. All sides 10/15 ratio, similar by SSS~ 12. 24

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