Complementary Angles

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Definition of Complementary Angles

Complementary Angles are two acute angles that add up to give a right angle, 90°.

Example of Complementary Angles

    34°, 56° and 28°, 62° are examples of complementary angles.

Video Examples: Complementary Angles


Solved Example onComplementary Angles

Ques: If m∠A is 26, then find the measure of its complement.

Choices:

    A. 34°
    B. 56°
    C. 64°
    D. 25°
    Correct Answer: C

Solution:

    Step 1: Complement of m∠A = 90 - m∠A = 64.
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