Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

If one angle measures 28°, what is the measure of its complementary angle?

Back

62°

Front

If one angle measures 118°, what is the measure of its complementary angle?

Back

72°.

Front

If two angles are supplementary and one measures 47°, what is the measure of the other angle?

Back

133°.

Front

If two angles are complementary and one measures 76°, what is the measure of the other angle?

Back

14°.

Front

What is the relationship between two angles that are adjacent and supplementary?

Back

They share a common side and their measures add up to 180 degrees.

Front

What is the relationship between two angles that are vertical?

Back

They are opposite angles formed by two intersecting lines and are equal in measure.

Front

If one angle measures 66°, what is the measure of its supplementary angle?

Back

114°.

Front

If two angles are complementary and one measures 156°, what is the measure of the other angle?

Back

This is not possible, as complementary angles cannot exceed 90°.