Complementary & 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

If one angle is 30°, what is the complementary angle?

Back

60°.

Front

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

Back

60°.

Front

Are 45° and 45° complementary or supplementary?

Back

Complementary.

Front

Are 100° and 80° complementary or supplementary?

Back

Supplementary.

Front

What is the sum of complementary angles?

Back

90°.

Front

What is the sum of supplementary angles?

Back

180°.

Front

If two angles are complementary, what is true about their measures?

Back

Their measures add up to 90°.

Front

If two angles are supplementary, what is true about their measures?

Back

Their measures add up to 180°.