Complementary & Supplementary

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

Give an example of a pair of complementary angles.

Back

81° and 9°.

Front

What kind of angles are 120° and 60°?

Back

Supplementary.

Front

What is the sum of two complementary angles?

Back

90°.

Front

What is the sum of two supplementary angles?

Back

180°.

Front

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

Back

60°.

Front

If one angle measures 150°, what is the measure of its supplementary angle?

Back

30°.

Front

Are two angles that measure 45° and 45° complementary or supplementary?

Back

Supplementary.

Front

What is the relationship between adjacent angles?

Back

They share a common side and vertex.