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

What is the sum of complementary angles?

Back

90 degrees.

Front

What is the sum of supplementary angles?

Back

180 degrees.

Front

Give an example of complementary angles.

Back

30° and 60°.

Front

Give an example of supplementary angles.

Back

110° and 70°.

Front

If one angle is 45°, what is its complementary angle?

Back

45°.

Front

If one angle is 120°, what is its supplementary angle?

Back

60°.

Front

Are 75° and 15° complementary or supplementary?

Back

Complementary.

Front

Are 90° and 90° complementary or supplementary?

Back

Supplementary.