Question

What is the distance between # (1, –2, 0) `and`(0, 4, –2) #?

Answer 1

The distance is `sqrt41`

Explanation:

The distance between points in 3 dimensional space is given by

`d=sqrt[(x_A-x_B)^2+(y_A-y_B)^2+(z_A-z_B)^2]=sqrt[(1-0)^2+(-2-4)^2+(0+2)^2]=sqrt[1+36+4]=sqrt41`