Question

A spherical copper shell of external diameter 3 cm is melted and recast into a solid cone of base radius 14 cm and height for 3.7 cm find the inner diameter of the cell

Answer 1

Let R be the external radius of the copper shell r be the internal radius, h be the height of the conical part and r1 be its radius.

Now, External d of copper shell = 18 cm.

Answer 2

Radius r .......... 3 × 14