Question

Find the measure of c. A. 10 B. 280 C. 100 D. 140

Answer 1

63°

Explanation:

a = 27°

b = 180° - (a + 27°)

b = 180° - (27° + 27°)

b = 180° - 54°

b = 126°

By inscribed angle theorem:

c = 1/2 b = 1/2 * 126°

c = 63°