A pair of angles that add up to 180 degrees. Supplementary angles are very hard first once you hear about them but you will get the hang of it
Two angles that add up to 180 degrees are supplementary
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Supplementary angles are angles whose measures add to 180 degrees.
Supplementary angles are pairs of angles whose measures add up to 180 degrees.
In the context of angles, supplementary means that two angles add to 180 degrees - or a straight line.
Yes. Today in math class my teacher explained it to me :)
Adding up to 90. 40 degrees and 50 degrees are complementary angles. This is contrasted with supplementary, which means adding up to 180.