Geometry Angle Pairs and Segments Review

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What equation would you use to find the value of x if two angles are complementary?

Back

Front

Vertical angles are always:

Back

Congruent (equal measures).

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

Which angles are vertical angles?

Back

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If two angles are supplementary and one angle measures 70°, what is the measure of the other angle?

Back

110°.

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

Back

60°.