If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Lines, line segments, and rays review

Review the basics of lines, line segments, and rays.  Identify and draw lines, line segments, and rays in practice problems.  

What are lines and line segments and rays?

A line extends forever in both directions, like this:
A line with arrows on each end pointing outward in opposite directions.
A line segment is just part of a line. It has two endpoints, like this:
A line with dots on each end.
A ray starts at one point and continues on forever in one direction, like this:
A dot with an arrow extending from it.
Want to learn more about lines, line segments, and rays? Check out this video.

Practice set 1: Identify lines, line segments, and rays

Problem 1A
Which of the following figures show a dashed ray?
Consider the entire dashed structure in each figure.
Choose 1 answer:

Want to try more problems like this? Check out this exercise.

Practice set 2: Draw lines, line segments, and rays

Problem 2A
Drag the lines so one line goes through points A and D, and the other line goes through points B and C.
These are lines because they each have
and continue forever in
.

Want to try more problems like this? Check out this exercise.

Want to join the conversation?