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Calculate the surface area of a sphere

The surface area of a sphere is the area that surrounds the sphere. The surface of the earth, where we live, is an example of the surface area of a sphere. In this calculation you can calculate surface areas like that.
0 2011/09/29 | Is something broken?

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Bugs & Fixes

This calculation was last reviewed or fixed: 2011/09/29

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Other calculations in geometry (area, volume etc)

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