Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

If one angle measures 30°, what is the measure of its complementary angle?

Back

60°.

Front

If one angle measures 120°, what is the measure of its supplementary angle?

Back

60°.

Front

What is the sum of two complementary angles?

Back

90°.

Front

What is the sum of two supplementary angles?

Back

180°.

Front

If two angles are supplementary and one measures 90°, what is the measure of the other angle?

Back

90°.

Front

If two angles are complementary and one measures 45°, what is the measure of the other angle?

Back

45°.

Front

Are the angles 75° and 105° complementary or supplementary?

Back

Supplementary.

Front

Are the angles 30° and 60° complementary or supplementary?

Back

Complementary.