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 is 70 degrees, what is the measure of its complementary angle?

Back

20 degrees.

Front

If one angle is 110 degrees, what is the measure of its supplementary angle?

Back

70 degrees.

Front

What is the sum of the measures of two complementary angles?

Back

90 degrees.

Front

What is the sum of the measures of two supplementary angles?

Back

180 degrees.

Front

If angle A is 45 degrees, what is the measure of angle B if they are complementary?

Back

45 degrees.

Front

If angle C is 95 degrees, what is the measure of angle D if they are supplementary?

Back

85 degrees.

Front

Are 30 degrees and 60 degrees complementary or supplementary?

Back

Complementary.

Front

Are 120 degrees and 60 degrees complementary or supplementary?

Back

Supplementary.