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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