Finding Missing Angle Measurements Using Complementary and Supplementary Angles

This lesson covers how to find angle measurements using complementary and supplementary angles. It explains right angles, complementary angles, and supplementary angles, providing problem-solving examples for each. Key concepts include the identification of right angles, the sum of complementary angles being 90 degrees, and supplementary angles being 180 degrees. The lesson also addresses common misunderstandings and offers a mnemonic to differentiate between complementary and supplementary angles.

What is the measure of a right angle?

Explain the relationship between complementary angles.

How do you find the measure of an angle when given its supplementary angle?

If angle ABC measures 27 degrees, what is the measure of its complementary angle?

What is the difference between complementary and supplementary angles?