11. 1/313. 8/2515. 5/2 17. 4/319. x = 8, AB = 8, BC = 28
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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 6.1 HW pg. 360-363 #11-19 odd, 23-35 odd, 39-43 odd, 49, 51, 79, 80 52
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6.1 HW pg. 360-363 #11-19 odd, 23-35 odd, 39-43 odd, 49, 51, 79, 80. 11. 1/313. 8/2515. 5/2 17. 4/319. x = 8, AB = 8, BC = 28 23. x = 425. z = 4227. c = 3 29. b = 331. 633. 16 35. 39. 12/541. 4/3 - PowerPoint PPT Presentation
Transcript of 11. 1/313. 8/2515. 5/2 17. 4/319. x = 8, AB = 8, BC = 28
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
6.1 HW pg. 360-363 #11-19 odd, 23-35 odd, 39-43 odd, 49, 51, 79, 80
5 2
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
6.2 HW pg. 367-369 #3-11 odd, 12, 16-18, 28, 29
15
15
y x
y
3. Angles: A L, B M, C N
Sides:
7. Yes, RSTU ~ WXYZ. Scale Factor = 1/2
8. Yes, CDE TUV. Scale Factor = 5/4
9. 5/2 10. x = 27.5, y = 12, z = 65°
6.3 HW pg. 376-378 #3, 7-12, 19, 20, 31, 32
AB BC AC
LM MN LN
11. EFGH = 34, x = 85
12. x = 36in 19. x = 24
20. Median, y = 9 31. Not similar
32. Yes, similar
6.3 HW pg. 376-378 #3, 7-12, 19, 20, 31, 32
78 13
36 6
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
6.4 HW pg. 384-386 #3-11 odd, 16, 17, 20, 26, 27, 31, 32
25
15 12
y
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
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
41.–7/10 42. AAS, QRT STR
43. x = 7.5
6.5 HW pg. 391-394 #3-7 odd, 8-12, 15, 16, 33(a&b), 41-43
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
6.6 HW pg. 400-402 #3-7, 9-11, 21Review 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
6.6 HW pg. 400-402 #3-7, 9-11, 21Review pg. 418-420 #2-6 even, 7-16 all pg. 422 #12
4 6PQ QR PR
XY YZ XZ
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
6.6 HW pg. 400-402 #3-7, 9-11, 21Review pg. 418-420 #2-6 even, 7-16 all pg. 422 #12
