CBSE

MATHEMATICS · Multi-part · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

Find: (a) The radius of a sphere with surface area

64\pi\text{ cm}^2

. (b) The height of a solid cylinder with radius

6.3\text{ cm}

and surface area

1243\text{ cm}^2

. (c) The radius of a cone with slant height

143\text{ mm}

and surface area

60\,000\text{ mm}^2