Question

A solid cone mounted on a hemisphere in such a way that the centre of base of cone just coincide with centre of the base of hemisphere. Slant height of the cone is l and radius of base of cone is 1/2r, where r is the radius of hemisphere. Prove that surface area of solid is Π/4(11r+2l)r sq units.

Answer 1

Answer:

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Answer 2

Answer:

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