Question

Two complementary angles are given by 2x and (3x-20). Find them

Answer 1

40

Explanation:

The sum of the two complementary angles is 180 degrees

2x + (3x-20) = 180

5x - 20 = 180

5x = 180 + 20 = 200

x = 200 ÷ 5 = 40

x = 40