Angles Review Flashcard

Front

This pizza is cut into ________ angles.

Back

Acute

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

Find the missing angle: 25° + ? = 90°

Back

65°

Front

I measure exactly 180 degrees. What am I?

Back

A straight angle.

Front

Find the missing angle: 30° + ? = 180°

Back

150°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is an acute angle?

Back

An angle that measures less than 90°.

Front

What is an obtuse angle?

Back

An angle that measures more than 90° but less than 180°.

Front

What is a right angle?

Back

An angle that measures exactly 90°.

Front

Find the missing angle: 90° - 45° = ?

Back

45°.