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 measure of a straight angle?

Back

180 degrees.

Front

If one angle is 60°, what is the measure of its complementary angle?

Back

30°.

Front

If one angle is 120°, what is the measure of its supplementary angle?

Back

60°.

Front

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

Back

90°.

Front

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

Back

180°.

Front

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

Back

50°.

Front

If two angles are supplementary, and one angle measures 110°, what is the other angle?

Back

70°.

Front

What type of angle is formed when two angles add up to 90°?

Back

Complementary angle.