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

Complementary angles are angles that together equal:

Back

90 degrees.

Front

If one angle is 25 degrees, what is the complementary angle?

Back

65 degrees.

Front

If one angle is 110 degrees, what is the supplementary angle?

Back

70 degrees.

Front

What is the sum of two complementary angles?

Back

90 degrees.

Front

What is the sum of two supplementary angles?

Back

180 degrees.

Front

If angle A is 45 degrees, what is the measure of its complementary angle?

Back

45 degrees.

Front

If angle B is 30 degrees, what is the measure of its supplementary angle?

Back

150 degrees.

Front

Find the missing angle if one angle is 15 degrees and they are complementary.

Back

75 degrees.