Complementary Angles

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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