A solid cube of side is melted and recast into a solid sphere
MATHEMATICS · Subjective · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes
Problem
A solid cube of side 12 cm is melted and recast into a solid sphere.
(i) Find the radius of the sphere correct to two decimal places.
(ii) Calculate the curved surface area of the sphere formed, taking π=22/7.