Question

The measure of an angle is 149°. What is the measure of its supplementary angle?

Answer 1

Answer: 31°

Explanation:

Supplementary angles add up to 180 degrees so add 149 degrees to a number of degrees to get 180 degrees.That can be represent by the equation,

149 + x = 180 where x is the supplement so solve for x

-149 -149

x = 31