Question

What is the supplement of 1/3 of a right angle?

Answer 1

angle 1 = 1/3 × 90 = 30°

angle 2 = x°

angle 1 + angle 2 = 180°

30° + x° = 180°

x° = 180° - 30°

x° = 150°

therefore, the supplement of one third of a right angle is 150°