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.