Supplementary means the sum of two angles equal to 180 degrees. The Sum of 90 degrees would be complimentary, where the sum of two angles equal to 90 degrees.
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Two angles whose sum is 180 degrees are called supplementary angles. When two angles are supplementary, it means that the sum of their measures equals 180 degrees. This relationship is often used in geometry to solve for unknown angles or to identify complementary angles.
The sum of two complementary angles is 90 degrees. The sum of two supplementary angles is 180 degrees.
Two adjacent angles are considered supplementary angles. They aggregate and make an angle that measures 180 degrees.