Geometry Angle Relationships

Front

Two angles whose sum equals 180° are called...

Back

supplementary angles.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is the relationship between angles A and B if they are corresponding?

Back

Angles that are in the same position on parallel lines in relation to a transversal.

Front

What is the sum of complementary angles?

Back

90°.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What is the relationship of alternate exterior angles?

Back

They are equal when two parallel lines are cut by a transversal.

Front

What is the relationship of alternate interior angles?

Back

They are equal when two parallel lines are cut by a transversal.

Front

What is the sum of angles on a straight line?

Back

180°.

Front

If two angles are supplementary and one angle measures 62°, what is the measure of the other angle?

Back

118°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are equal.