Distance x A x B 2 y A y B 2 z A z B 2 Example. The Distance Formula between Two Points is derived from the Pythagoras Theorem. The distance between two points is the length of the path connecting them.
It is necessary to follow the next steps.
For three points to be collinear the sum of the distance between two pairs of points is equal to the third pair of the points. As the Crow Flies - The direct distance between points. Distance Between Two Points x1 y1 2 x2 y2 2. That is that you have two points.