Vocab & Naming Angles

Front

A right angle is ...

Back

An angle that is exactly equal to 90 degrees

Front

A straight angle is ...

Back

An angle that is exactly equal to 180 degrees

Front

An obtuse angle is ...

Back

An angle that is greater than 90 degrees but less than 180 degrees

Front

An acute angle is ...

Back

An angle that is less than 90 degrees

Front

Name the angle relationship: Complementary, Supplementary, Adjacent, Vertical

Back

Supplementary

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

Name the angle relationship: Complementary, Supplementary, Adjacent, Vertical

Back

Adjacent

Front

Adjacent angles are angles next to each other that share a common side.

Back

True

Front

Vertical angles are

Back

congruent angles formed by intersecting lines and are opposite each other