Question

What change will happen in the volume of a cylinder if its radius of base is halved and height becomes 3 times the original?​

Answer 1

v,volume=πr^2h-----------eq.1

v',new volume=3πr^2h\4------------eq.2

on divididing eq.2 by eq.1 we will get,

(3πr^2h)×(πr^2h)÷4=3π^2r^4h^2\4