Angle Relationships

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

What are adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex.

Front

What are congruent angles?

Back

Congruent angles are angles that have the same measure.

Front

If one angle is 36 degrees, what is the measure of its supplementary angle?

Back

144 degrees.

Front

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

Back

30 degrees.

Front

If angle A measures 45 degrees, what is the measure of angle B if they are complementary?

Back

Angle B measures 45 degrees.

Front

If angle C measures 128 degrees, what is the measure of its supplementary angle?

Back

52 degrees.

Front

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

Back

The sum is 90 degrees.

Front

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

Back

The sum is 180 degrees.