Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

If one angle measures 35°, what is the measure of its complementary angle?

Back

55° (90° - 35° = 55°).

Front

If one angle measures 76°, what is the measure of its supplementary angle?

Back

104° (180° - 76° = 104°).

Front

What is the measure of the missing angle if one angle is 156°?

Back

24° (180° - 156° = 24°).

Front

Provide an example of a pair of complementary angles.

Back

36° and 54°.

Front

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

Back

90 degrees.

Front

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

Back

180 degrees.

Front

If ∠A is 47°, what is the measure of its complementary angle?

Back

43° (90° - 47° = 43°).

Front

If ∠B is 137°, what is the measure of its supplementary angle?

Back

43° (180° - 137° = 43°).