Question

If point M is the center of a sphere with the coordinates (-1,3,2) and point T is a point on the surface of the sphere with the coordinates (0,5,1), what is the radius of the sphere?

Answer 1

FInd the length between the points and the magnitude of that vector will give you the distance. sqrt((0-(-1))^2+(5-2)^2+(1-2)^2)