How many degrees are in the sum of the measures of complementary angles?

Complementary angles are two angles with a sum of 90 degrees. A common case is when they form a right angle. Supplementary angles are two angles with a sum of 180 degrees. A common case is when they lie on the same side of a straight line.

Therefore, one of the complementary angle is 45°

Hence, sum of both angles are 45°+45°=90°

Complementary angles sum can’t be more than 90°

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