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

What is the supplement of an angle measuring 30 degrees?

Back

150 degrees.

Front

What is the supplement of an angle measuring 45 degrees?

Back

135 degrees.

Front

If two angles are complementary, and one angle measures 40 degrees, what is the other angle?

Back

50 degrees.

Front

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

Back

110 degrees.

Front

A straight line measures...

Back

180 degrees.

Front

What is the sum of complementary angles?

Back

90 degrees.

Front

What is the sum of supplementary angles?

Back

180 degrees.

Front

If angle A is 60 degrees, what is the complement of angle A?

Back

30 degrees.