Question

Two adjacent angles in a straight line are in the ratio of 3:5. Find the measure of each angle.​

Answer 1

Ratio of angles = 3:5

Total parts = 3 + 5 = 8

Let the common no. be x

8x = 180°

x = 180° ÷ 8

x = 22.5

1st part = 3 × 22.5

= 67.5°

2nd = 5 × 22.5

= 112.5°