Question

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14 A solid is in the form of cone mounted on a
hemisphere in such a way that the centre of the bese
of the cone just coincide with the centre of the base
of the hemisphere. Slant height of the cone island
radius of the base of the cone is - r, where r is the
2.
radius of the hemisphere. Prove that the total
surface area of the solid is = π/4(11r+2l)r sq. unit. (cbse 2013)​

Answer 1

Answer:

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