** 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**

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

**Solved Example on Intersecting Lines**

Which figure shows a pair 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.

**Related Terms for Intersecting Lines**

- Common
- Line
- Point