Respuesta :

To solve this you do
sqrt((x1-x2)^2+(y1-y2)^2+(z1-z2)^2)
Thus you do sqrt((6-6)^2+(-3-3)^2+(6-4)^2)
=sqrt(0^2+(-6)^2+(2)^2)
=sqrt(36+4)
=sqrt(40)
=2sqrt(10)