Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

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 95°, what is the measure of the other angle?

Back

85°.

Front

Are vertical angles congruent?

Back

Yes, vertical angles are congruent (equal measures).

Front

What is the sum of the measures of complementary angles?

Back

90°.

Front

What is the sum of the measures of supplementary angles?

Back

180°.

Front

If angle A and angle B are supplementary and angle A measures 75°, what is the measure of angle B?

Back

105°.

Front

If angle C and angle D are complementary and angle C measures 30°, what is the measure of angle D?

Back

60°.