# Math Is Fun Forum

Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

You are not logged in.

## #1 2021-06-17 05:48:47

moeeeee
Member
Registered: 2021-06-17
Posts: 1

### geometry

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

Offline

## #2 2021-06-17 13:27:36

ganesh Registered: 2005-06-28
Posts: 34,328

### Re: geometry

Hi moeeeee,

and

Also see Angles.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline