Go Math! Grade 4 Chapter 11 Review

Front

What is an acute angle?

Back

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

Front

What is a straight angle?

Back

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

Front

What is a right angle?

Back

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

Front

What is an obtuse angle?

Back

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

Front

How do you express the fraction of a circle that a 90° angle represents?

Back

90° represents 90/360 of a circle.

Front

What is the measure of an angle that is made from four 10° turns?

Back

The measure is 40°.

Front

If an angle measures 10 degrees, how would you classify it?

Back

It is classified as an acute angle.

Front

What is the measure of the shaded part if it is 45°?

Back

The angle measure of the shaded part is 45°.

Front

What is the total degrees in a circle?

Back

A circle has a total of 360 degrees.

Front

What is the measure of an angle that is less than 90 degrees?

Back

It is called an acute angle.