Measuring 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 total measurement of angles in a circle?

Back

The total measurement of angles in a circle is 360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

How do you measure an angle?

Back

You measure an angle using a protractor.

Tags

CCSS.4.MD.C.6

Front

What is the measurement of a straight angle?

Back

A straight angle measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is the difference between acute and obtuse angles?

Back

Acute angles are less than 90 degrees, while obtuse angles are more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.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

What type of angle measures exactly 90 degrees?

Back

A right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures more than 180 degrees?

Back

A reflex angle.

Tags

CCSS.4.G.A.1