Acute, Obtuse, and Right 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 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 right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the measurement of a straight angle?

Back

A straight angle measures 180 degrees.

Tags

CCSS.4.G.A.1

Front

How many degrees are in a full circle?

Back

A full circle has 360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

If an angle measures 45 degrees, what type of angle is it?

Back

It is an acute angle.

Tags

CCSS.4.G.A.1

Front

If an angle measures 120 degrees, what type of angle is it?

Back

It is an obtuse angle.

Tags

CCSS.4.G.A.1

Front

If an angle measures 90 degrees, what type of angle is it?

Back

It is a right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is formed by the hands of a clock at 3:00?

Back

It is a right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is formed by the hands of a clock at 10:00?

Back

It is an obtuse angle.

Tags

CCSS.4.G.A.1