Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

What is the complement of a 30-degree angle?

Back

60 degrees.

Front

What is the supplement of a 45-degree angle?

Back

135 degrees.

Front

Are 70° and 20° complementary or supplementary?

Back

Complementary.

Front

Are 110° and 70° complementary or supplementary?

Back

Supplementary.

Front

What is the measure of the missing angle if one angle is 50 degrees and they are complementary?

Back

40 degrees.

Front

What is the measure of the missing angle if one angle is 130 degrees and they are supplementary?

Back

50 degrees.

Front

If two angles are complementary, what is the maximum measure one angle can have?

Back

89 degrees.

Front

If two angles are supplementary, what is the minimum measure one angle can have?

Back

0 degrees.