Question

find the ratio of surface area and volume of a sphere of radius 1cm

Answer 1

Surface area of sphere = 4πr²

Volume of sphere = 4/3 πr³


Ratio –

= ( 4πr² ) / ( 4/3 πr³ )

= 3 / r

Now , Radius, r = 1

= 3 / 1

= $<b>3 : 1</b>$