Find Complementary Angle

Complementary Angles: Learn

Two angles are complementary if the sum of their angles equals 90° (they add up to a right angle).

If one angle is known, its complementary angle can be found by subtracting the measure of its angle from 90°.

Example: What is the complementary angle of 43°?
Solution: 90° - 43° = 47°

Complementary Angles: Practice

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The complementary angle of ° is °

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