# Why is it useful to find the distance and midpoint in 3 dimensions?

##### 1 Answer

Mar 6, 2015

We live in 3 dimensions.

We have East/West, North/South and Up/Down.

If something is 100 m East, and 120 m North and 80 m Above me, then the distance between us is a distance in 3 dimensions, And the middle of that distance is the midpoint.