Identifying Angle Relationships

Front

Complementary angles are angles that add up to ___________.

Back

90 degrees

Front

What angle pair is formed when two lines intersect and are opposite each other?

Back

Vertical Angles

Front

What is the measure of the angle that is supplementary to 42°?

Back

138°

Front

What is an example of a pair of complementary angles?

Back

81° and 9°

Front

What do you call angles that add up to 180 degrees?

Back

Supplementary Angles

Front

If two angles are vertical angles, what can you say about their measures?

Back

They are equal.

Front

What is the measure of an angle that is complementary to 30°?

Back

60°

Front

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

Back

110°

Front

What type of angles are formed when two parallel lines are cut by a transversal?

Back

Corresponding Angles

Front

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

Back

90 degrees