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Derivation of Formula for Total Surface Area of the Sphere by Integration | Derivation of Formulas Review at MATHalino

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The total surface area of the sphere is four times the area of great circle. To know more about great circle, see properties of a sphere. Given the radius r of the sphere, the total surface area is

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How to Derive The Volume? Hard Geometry Problem

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How does lateral surface area compare to total surface area? Elaborate.