Question

What is the length of the line segment shown on this coordinate grid?

First quadrant coordinate grid with a line segment connecting points (4, 5) and (4, 9).



units

Answer 1

4

Explanation:

The formula of a distance between two points:

`d=√((x_2-x_1)^2+(y_2-y_1)^2)`

We have the points (4, 5) and (4, 9). Substitute:

`d=√((4-4)^2+(9-5)^2)=√(0^2+4^2)=√(4^2)=4`