Question

An angle measures 12° less than three times it’s supplement. Find the measure of the angle

Answer 1

132 degrees.

Explanation:

Let the supplement be x and the angle be y.

x + y = 180 degrees.

y = (3x - 12) degrees.

x + 3x - 12 = 180

4x = 192

x = 48 degrees

y = 132 degrees

Hope this helped!