One endpoint is at the origin (0,0)
The other endpoint can be placed at (1,3)
If we applied the distance formula on these two points, then,
[tex]d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(0-1)^2 + (0-3)^2}\\\\d = \sqrt{(-1)^2 + (-3)^2}\\\\d = \sqrt{1 + 9}\\\\d = \sqrt{10}\\\\d \approx 3.16227766\\\\[/tex]
Showing that the exact distance between the endpoints is [tex]\sqrt{10}[/tex] units, which is the length of the segment.
