a right circular cylinder just enclosed a sphere of radius r as shown in figure. prove that the surface area of a sphere is equal to the curved surface area of cylinder
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The surface area of the sphere will be = 4×22/7×r square
The CSA of cylinder will be 2×22/7×h and h will be =2r(because the cylinder is enclosing a sphere so, the CSA of sphere will be 4×22/7×r square
The CSA of cylinder will be 2×22/7×h and h will be =2r(because the cylinder is enclosing a sphere so, the CSA of sphere will be 4×22/7×r square
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