Linear Pairs & Complementary Angles

Front

What are complementary angles?

Back

Complementary angles are angles that together equal 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are 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 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 angle A is 45 degrees, what is the measure of its complementary angle?

Back

45 degrees.

Front

If angle B is 75 degrees, what is the measure of its supplementary angle?

Back

105 degrees.

Front

Find the missing angle if one angle is 53 degrees in a complementary pair.

Back

37 degrees.

Front

Find the missing angle if one angle is 160 degrees in a supplementary pair.

Back

20 degrees.