Classify Angles

Front

Classify the angle: 180°

Back

Straight angle

Tags

CCSS.4.G.A.1

Front

What are complementary angles?

Back

Angles that add up to 90°

Tags

CCSS.7.G.B.5

Front

What is a right angle?

Back

An angle that measures exactly 90°.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An angle that measures less than 90°.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Tags

CCSS.7.G.B.5

Front

Identify the vertex in angle ∡ABC.

Back

The vertex is point B.

Tags

CCSS.HSG.CO.A.1

Front

What is the measure of a straight angle?

Back

180°.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the measure of a right angle?

Back

90°.

Tags

CCSS.4.G.A.1

Front

If two angles are complementary, what is their sum?

Back

90°.

Tags

CCSS.7.G.B.5