If we join two points, we get line segment.


We write line segment AB as (AB)  or (BA)  

Here, points A and B are the end points of the line segment.



A line extends in definitely in both directions.

Line, ray, Line segment - Part 2

A line as no end point.

We write line  AB  as (AB) 



Ray is a line with one end-point.

Line, ray, Line segment - Part 3

Here AB is a ray.

It can extend from point B, but point A is fixed.

We write it as (AB) 



(PQ) is a ray

Line, ray, Line segment - Part 4

  1. Chapter 5 Class 7 Lines and Angles
  2. Concept wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.