Angles and Lines

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray?

Back

A ray is a part of a line that has one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

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

Tags

CCSS.4.G.A.1

Front

How many degrees are in a full circle?

Back

There are 360 degrees in a full circle.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What do we call an angle that is exactly 90 degrees?

Back

We call it a right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is less than 90 degrees?

Back

An acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is more than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Tags

CCSS.4.G.A.1