Finding Distance in Coordinate Geometry

On a coordinate plane, point A is located at (4, 2) and point B is at (4, 6).

What is the length of the line segment AB?

To find the distance between two points in a coordinate plane, use the distance formula:

$$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$$