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complementary angles are 2 angles that add to 90 supplementary are 2 angles that add to 180
adjacent angles can be complementary and supplementary you can see a video of khan
The sum of complementary angles is 90°. The sum of supplementary angles is 180°. EXAMPLE : 27° is the complementary angle to 63° and the supplementary angle to 153°.
Two acute angles cannot be supplementary but they can be complementary
Complementary angles add up to 90 degrees whereas supplementary angles add up to 180 degrees.