A hollow sphere of internal and external radii 3 cm and 4 cm respectively is melted into a cylinder of diameter 37 cm. The height of the cylinder is
The radii of the internal and external surfaces of a hollow spherical shell are 3 cm and 5 cm respectively. If it is melted and recast into a solid cylinder of height 223 cm. Find the diameter of the cylinder.
The radii of internal and external surfaces of a hollow spherical shell are 3 cm and 5 cm respctively. It is melted and recast into a solid cylinder of diameter 14 cm. Find the height of the cylinder.