1.

A cone is 8.4 cm high and the radius of its base is 2.1 cm.It is melted and recast into a sphere. The radius of the sphere is(a) 4.2 cm (b) 2.1 cm (c) 2.4 cm (d) 1.6 cm

Answer»

A cone is 8.4 cm high and the radius of its base is 2.1 cm.It is melted and recast into a sphere. The radius of the sphere is(a) 4.2 cm (b) 2.1 cm (c) 2.4 cm (d) 1.6 cm



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