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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
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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.

User Dilshan
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21 votes
21 votes

Answer:

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

User Kubie
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