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Intersecting Lines

Definition Of Intersecting Lines

Lines that have one and only one point in common are known as intersecting lines.

More About Intersecting Lines

A minimum of two lines are required for intersection
The common point where all the intersecting lines meet is called the Point of Intersection
All the intersecting lines form angles at the point of intersection

Example of Intersecting Lines

 

 example of Intersecting Lines

In figure, there are two lines AB and CD which intersect each other at O

Video Examples:Intersecting Lines
 

Solved Example on Intersecting Lines

Ques: Which figure shows a pair of intersecting lines? 

 

 example of Intersecting Lines

Choices:

A. Figure 2
B. Figure 3
C. Figure 1
D. Figure 4

Correct Answer: A

Solution:

Step 1: Intersecting lines cross at a common point.
Step 2: Figure 2 has two lines, which intersect each other at a single point.
Step 3: So, Figure 2 represents a pair of intersecting lines.