Question

a right circular cylinder of radius R =7cm just encloses a sphere. (1) find surface area of the sphere (2) curved surface area of the cylinder​

Answer 1

Answer:

as,a right circular cylinder of radius R =7cm just encloses a sphere

radius of sphere=7cm

surface area of sphere=4πr²

                                     =4*(22/7)*7²

                                      =616cm²

                   

Answer 2

Answer:

$616$

4 pi r square