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Math Video Definitions -Complementary and Supplementary Angles
Math Words-Video Definition
Complementary angles are two angles that add to 90 degrees
Supplementary angles are two angles that add to 180 degrees.
It is easy to confuse the two angles so you can remember complementary by remember it starts with the letter c like a corner which has a 90 degree measurement.
Supplementary begins with S like a straight line, and a straight line has a 180 degree measurement.