5.12 Math- Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

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

Back

60 degrees.

Front

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

Back

60 degrees.

Front

What is the measure of an angle that is complementary to a 45-degree angle?

Back

45 degrees.

Front

What is the measure of an angle that is supplementary to a 90-degree angle?

Back

90 degrees.

Front

If two angles are complementary and one measures 70 degrees, what is the other angle?

Back

20 degrees.

Front

If two angles are supplementary and one measures 150 degrees, what is the other angle?

Back

30 degrees.

Front

What is the sum of the measures of complementary angles?

Back

90 degrees.

Front

What is the sum of the measures of supplementary angles?

Back

180 degrees.