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

If one angle measures 30 degrees, what is the measure of its complementary angle?

Back

60 degrees.

Front

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

Back

60 degrees.

Front

What is the measure of a right angle?

Back

90 degrees.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.

Front

If two angles are supplementary, what is the sum of their measures?

Back

180 degrees.

Front

What is the measure of the missing angle if one angle is 45 degrees and they are complementary?

Back

45 degrees.

Front

What is the measure of the missing angle if one angle is 110 degrees and they are supplementary?

Back

70 degrees.

Front

If an angle measures 45 degrees, what is its complementary angle?

Back

45 degrees.