Asked by charlene

Find the diameter of the sphere to the nearest inch given the surface area is 271.6 square inches. I know the formula is v= 4 over 3 pie r square but how do I connect the question to it?
Answered by Ms. Sue
The surface area of a sphere is 4 * pi * r^2

271.6 = 4 * 3.14 * r^2

http://www.math.com/tables/geometry/surfareas.htm
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