What’s a sphere with the radius of 18 units volume?

Answer 1

volume of a sphere = (4/3)pi(r^3)

V= (4/3)pi(18^3) = 4(18)(18)6)pi = 7776pi units cubed

Surface area of a sphere = 4pi(r^2)

A = 4pi(18)^2 = 1296pi units squared