A sphere has its center at the origin. A point on its surface is found on the x-y axis at (6,8). In square units, what is the surface area of this sphere?

A solid sphere is cut in half to form two solid hemispheres. What is the ratio of the surface area of one of the hemispheres to the surface area of the entire sphere before it was cut?

The volume of a sphere is 2304_π_ in3. What is the surface area of this sphere in square inches?

A sphere is perfectly contained within a cube that has a surface area of 726 square units. In square units, what is the surface area of the sphere?

A spherical orange fits snugly inside a small cubical box such that each of the six walls of the box just barely touches the surface of the orange. If the volume of the box is 64 cubic inches, what is the surface area of the orange in square inches?

What is the ratio of the surface area of a cube to the surface area of a sphere inscribed within it?

What is the surface area of a hemisphere with a diameter of ?

The area of a circle with radius 4 divided by the surface area of a sphere with radius 2 is equal to: