Types of Angles

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the measurement of a right angle?

Back

A right angle measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

Which angle is smaller: 35 degrees or 90 degrees?

Back

35 degrees is smaller than 90 degrees.

Tags

CCSS.4.G.A.1

Front

Is 45 degrees an acute angle?

Back

Yes, 45 degrees is an acute angle.

Tags

CCSS.4.G.A.1

Front

Is 123 degrees an obtuse angle?

Back

Yes, 123 degrees is an obtuse angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is 180 degrees?

Back

180 degrees is a straight angle.

Tags

CCSS.4.G.A.1

Front

Can an angle be 0 degrees?

Back

Yes, an angle can be 0 degrees, which is called a zero angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is 90 degrees?

Back

90 degrees is a right angle.

Tags

CCSS.4.G.A.1