Question

Angles A and B are supplementary. Determine the measure of angle A if the measure of angle B is 113.8°.

Answer 1

66.2

Explanation:

Answer 2

m<A = 66.2°

Explanation:

m<A + m<B = 180°

m<B = 113.8°

m<A + 113.8° = 180°

m<A = 180° - 113.8°

m<A = 66.2°