Complementary, Supplementary, Vertical and Adjacent Angles

Front

What are adjacent angles?

Back

Angles that share a common side and a common vertex.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect. They are always equal.

Front

What are complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

If one angle measures 42°, what is its supplement?

Back

138°

Front

If two angles are adjacent and one measures 40°, what is the maximum measure of the other angle if they are supplementary?

Back

140°.

Front

Back

60°.

Front

Back

30°.

Front

Which pair of angles are vertical?

Back

Angles that are opposite each other when two lines intersect.

Front

Back

30.