Question

Find the distance between the points:
(0,1,4) and (2,0,2)
How do i do this?

Answer 1

subtract, square , add, take the square root
just like in two dimensions

Answer 2

Huh?

Answer 3

find differences in x, y and z
so here difference in x is 2, y is 1, z is 2
then square each of them, add it up, and take square root