Question

Supplementary angles are two angles that have measures with a sum of 180°. Angles 1 and 2 are supplementary and the measure of angle 2 is 20 degrees less than three times the measure of angle 1.

Write a system of equations and use substitution to find the measures of angles 1 and 2.

Answer 1

The value of larger and smaller are 135 and 45 degrees.