Law of Sines and Law of Cosines #1

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Use either the Law of Sines or the Law of Cosines along with the information given to find the missing angle or side requested.

General Questions

side a = 5 m, side b = 4 m, angle A = 30°, angle B = ?

1.

0.412°
1.43°
23.58°
36.28°

side a = 4 m, side b = 3 m, angle C = 50°, c = ?

2.

3.09 m
5 m
6.59 m
9.57 m

side b = 10 m, angle B = 50°, angle C = 90°, c = ?

3.

0 m
7.6 6m
10 m
13.05 m

a = 4 m, b = 5 m, c = 6 m, angle C = ?

4.

47.55°
72.54°
75.52°
82.82°

a = 3 m, b = 4 m, angle A = 37°, angle C = ?

5.

11.57°
41.43°
89.64°
131.43°

a = 10 m, b = 9 m, angle C = 60°, angle A = ?

6.

8.94°
9.54°
51.21°
65.21°

L Camarota

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