# Complementary & supplementary angles

Use your knowledge about complementary and supplementary angles to find missing angles.

### Problem

If angle, A, O, C is a right angle and m, angle, A, O, B, equals, 60, degree, what is m, angle, B, O, C?
NOTE: Angles not necessarily drawn to scale.
degree
Get first 1 correct, or 5 in a row.