Lines, Line Segments, Angles and Rays

Front

What is a line?

Back

A straight path that extends infinitely in both directions without any endpoints.

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray?

Back

Part of a line that has one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

Formed by two rays that share a common endpoint.

Front

What is a point?

Back

A specific location in space that has no size or dimension.

Tags

CCSS.4.G.A.1

Front

How many endpoints does a line have?

Back

A line has no endpoints.

Tags

CCSS.4.G.A.1

Front

How many endpoints does a line segment have?

Back

A line segment has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

How many endpoints does a ray have?

Back

A ray has one endpoint.

Tags

CCSS.4.G.A.1

Front

What do we call the common endpoint of two rays?

Back

The common endpoint is called the vertex of the angle.

Tags

CCSS.4.G.A.1

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two fixed endpoints.

Tags

CCSS.4.G.A.1