GED Math Test 2014 – Volume and Surface Area of Sphere Tutorial

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A math tutorial on how to find the surface area of the sphere if you’re given the volume.

The formula for the volume of a sphere (aka a ball) is V = 4 / 3 * pi * r^3 where r is the radius. If you know the volume you can solve for r and then plug it into the formula for the surface area of a sphere. SA = 4 * pi * r^2.

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