review angle relationships

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

If two angles are complementary and one angle measures 25°, what is the measure of the other angle?

Back

65°.

Front

If two angles are supplementary and one angle measures 75°, what is the measure of the other angle?

Back

105°.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal to each other.

Front

If angle A and angle B are complementary, and angle A measures 30°, what is the measure of angle B?

Back

60°.

Front

If angle C and angle D are supplementary, and angle C measures 40°, what is the measure of angle D?

Back

140°.

Front

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

Back

90°.

Front

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

Back

180°.

Front

If angle E measures 45°, what type of angle is it?

Back

It is an acute angle.