The surface area of a sphere is 346.5 `cm^2`, calculate its radius and the volume.

Explanation

Surface area of sphere=`4pir^2`

`4pir^2=346.5`

`4*3.14*r^2=346.5`

`r^2=346.5/(4*3.14)`

`r=5.2 cm`

Volume of sphere=`4/3pir^3`

`=4/3*22/7*(5.2)^2`

`=589.21 cm^3`.