Angles

Front

What is the complement angle to 30°?

Back

60°

Tags

CCSS.7.G.B.5

Front

This is what kind of angle? (If the angle is less than 90°)

Back

Acute

Tags

CCSS.4.G.A.1

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Tags

CCSS.7.G.B.5

Front

What is the supplement angle to 42°?

Back

138°

Tags

CCSS.7.G.B.5

Front

Find the missing angle if one angle is 90° and the other is unknown.

Back

The missing angle is 90°.

Tags

CCSS.7.G.B.5

Front

What is an acute angle?

Back

An angle that is less than 90°.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that is greater than 90° but less than 180°.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that is exactly 90°.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

An angle that is exactly 180°.

Tags

CCSS.4.G.A.1

Front

What do you call angles that add up to 90°?

Back

Complementary angles.

Tags

CCSS.7.G.B.5