The answer depends on the size of the sphere. When you've been around as long as
we have, you start to notice that big spheres have more surface, and small ones have
less surface. But whether the sphere is big or small, its surface in square feet is always
12.5664 times the square of its radius in feet.
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The surface area of a sphere with a 24 inch diameter is 1809.6 square inches = 12.6 sq feet
492,125,984 square feet
The surface area of an NBA men's official basketball is between 1.97 and 2.12 square feet.
A sphere has a single curved surface. It is said to have one surface. Further, the sphere has no "flat spots" or "angles" or "discontinuities" of any kind. It is a planar figure that is the set of all points equidistant from a single point, which is its center.A sphere has only one surface.
The question is ambiguous. Do you mean how many cubic feet are in a sphere with radius of 30 feet?