Question

The radius of the internal and external surfaces of a hollow spherical shell are 3cm and 5 cm respectively. if it is melted and recast into a solid cylinder of height 8/3 . find the diameter of the cylinder

Answer 1

D is
$2 \times 2 \sqrt{2}$
that is
$4 \sqrt{2}$

Answer 2

Diameters of cylinder is 4 root 2
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