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Those angles are called complementary.Those angles are called complementary.Those angles are called complementary.Those angles are called complementary.
Complementary angles. Angles that add up to 180 are called supplementary angles. :)
Congruent angles
Two angles whose sum is 90 degrees are called complementary angles. Two angles whose sum is 180 degrees are called supplementary angles. A single angle of 90 degrees is called a right angle.
Angles that have a common side between them and a common vertex are called adjacent angles.