Glencoe Math: Course 3, Volume 2
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Glencoe Math: Course 3, Volume 2 View details
4. Polygons and Angles
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Exercise 32 Page 404

Two angles are complementary if the sum of their measures is 90^(∘). Two angles are supplementary if the sum of their measures is 180^(∘).

Supplementary

Practice makes perfect
Let's start by recalling the definitions of complementary and supplementary angles.
Complementary Angles Supplementary Angles
Two angles are complementary if the sum of their measures is 90^(∘). Two angles are supplementary if the sum of their measures is 180^(∘).

We are told that the measures of two angles are 62^(∘) and 108^(∘). To determine whether they are complementary, supplementary, or neither, we will calculate the sum of their measures. 62^(∘) + 108^(∘) = 180^(∘) Since the sum is 180^(∘), the angles are supplementary.