**Definition of Vertical Line**

- The straight up and down line is known as Vertical Line.

**More about Vertical Line**

- The
*y*-axis in a coordinate plane is a vertical line. - The vertical line is always at 90° to the horizontal line.

**Example of Vertical Line**

- The line
*p*is a vertical line and*q*is a horizontal line.

**Solved Example on Vertical Line**

How many vertical lines can be drawn through a single point?

Choices:

A. 1

B. 0

C. 2

D. 3

Correct Answer: A

Solution:

Step 1:Only one vertical line can be drawn through a single point.

**Related Terms for Vertical Line**

- Horizontal Line
- Line
- Parallel Lines
- Perpendicular Lines
- Straight Line