Question

∠A and ∠B are complimentary. The measure of ∠A is 42 more than 3 times the measure of ∠B. Find ∠A

Answer 1

78 Degrees

Explanation:

Complimentary Angles add up to 90 degrees so the equation below solves for x and then finds angle A.

3x+42+x=90

4x=48

x=12

3(12)+42=78