Points, Lines, Line Segments, & Rays

Front

What is a point?

Back

An exact location in space.

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

A part of a line that starts at one point and extends infinitely in one direction.

Front

What does a ray look like?

Back

It has one endpoint and goes on forever in one direction.

Front

How do you name a ray?

Back

You name a ray using its endpoint and another point on the ray, like Ray AB.

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 endpoints.

Front

Can a ray be part of a line segment?

Back

Yes, a ray can start at one endpoint of a line segment and extend infinitely.

Front

What is the symbol for a ray?

Back

A ray is often represented with an arrow on one end, like AB with an arrow over it.

Front

What is an example of a line in real life?

Back

The edge of a straight road.