1.

A right circular cone is 8.4 cm high and the radius of its base is 2.1 cm. The cone is melted and recast into a sphere. Find the radius of the sphere. (1) 2.1 cm (2) 4.2 cm (3) 5.3 cm (4) 6.4 cm

Answer»

Correct option is (1) 2.1 cm



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