Use the law of sines to find the missing side of the triangle.
a. 70.1
b. 43.8
c. 57.1
d. 31.5

Using the law of sines, the length of the missing side is;

B: 43.8°

According to the law of sines, we know that;

a/sin A = b/sin B = c/sin C

Now, in the triangle ABC, we have;

∠A = 58°

∠B = 48°

From sum of the angles of a triangle = 180°, we have;

∠C = 180 - (58 + 48)

∠C = 74°

Thus;

50/sin 58 = b/sin 48

b = (50 * sin48)/sin 58

b = 43.8

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