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Find the supplementary angles of the following.
1. 87
A. 77
B. 24
C. 93
D. 47
E. 31
F. 48
2. 160
A. 10
B. 20
C. 30
D. 40
E. 50
F. 60
3. 68
A. 851
B. 295
C. 302
D. 574
E. 112
F. 638
4. 174
A. 3
B. 4
C. 5
D. 6
E. 7
F. 8
5. a
A. 180-a
B. 180/2
C. 179*a
D. 179+a
E. 60
F. pi
Find the complementary angles of the following.
6. 53
A. 90
B. 32
C. 25
D. 45
E. 18
F. 37
7. 12
A. 46
B. 78
C. 98
D. 31
E. 52
F. 64
8. 73.5
A. 16.5
B. 34.2
C. 29.4
D. 17.7
E. 57.9
F. 11.3
9. 23.7
A. 66.3
B. 70.1
C. 42.5
D. 83.9
E. 54.8
F. 36.2
10. a
A. 90/a
B. a-90
C. a/2
D. 90-a
E. 90-2
F. a^2
Two of the angles are listed. Find the measure of the third angle in each triangle. Similar to example 6
11. 16,42
A. 256
B. 421
C. 107
D. 510
E. 122
F. 329
12. 90, 30
A. 23
B. 42
C. 47
D. 60
E. 71
F. 89
13. 43, 118
A. 12
B. 34
C. 19
D. 57
E. 11
F. 27
14. 60, 60
A. 15
B. 90
C. 29
D. 60
E. 30
F. 45
15. 14, 123
A. 73
B. 25
C. 38
D. 19
E. 43
F. 13
16. 68, 86
A. 45
B. 56
C. 26
D. 19
E. 32
F. 82
17. 55, 77
A. 18
B. 37
C. 62
D. 57
E. 20
F. 48
18. a, (a + 80)
A. 100 - 2a
B. 112 - 7a
C. 182 - 2a
D. 254 - 5a
E. 311 - 3a
F. 302 - 1a
19. x, (x + 20)
A. 189 - 7x
B. 167 - 1x
C. 114 - 5x
D. 160 - 2x
E. 124 - 2x
F. 142 - 1x
20. m, 2m
A. 172 - 2m
B. 187 - 7m
C. 124 - 4m
D. 143 - 1m
E. 164 - 9m
F. 180 - 3m
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It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
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