SOL 8.5 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

If two angles are supplementary and one angle measures 4 times the other, what is the measure of the smaller angle?

Back

The smaller angle measures 36°.

Front

If two angles are complementary and one angle measures twice the other, what is the measure of the larger angle?

Back

The larger angle measures 60°.

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.

Front

If angle A is 30°, what is the measure of its complementary angle?

Back

The complementary angle is 60°.

Front

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

Back

The supplementary angle is 60°.

Front

What is the relationship between the measures of two angles that are complementary?

Back

The sum of their measures is 90 degrees.

Front

What is the relationship between the measures of two angles that are supplementary?

Back

The sum of their measures is 180 degrees.