A solid right circular cylinder of radius and height is melted and recast into a…
MATHEMATICS · Multi-part · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes
Problem
A solid right circular cylinder of radius 5cm and height 12cm is melted and recast into a single solid sphere.
(i) Calculate the volume of the cylinder.
(ii) Find the radius of the sphere formed. Give your answer correct to one decimal place.
(iii) Determine the surface area of the sphere, correct to the nearest square centimetre.