Question

Two cylinders have radii in the ratio 3:5 and heights in the ratio 10:9. Find the ratio of their volumes.

Please tell fast

Answer 1

First of all the Volume of a cylinder come from the formula base*height or

πr²*height

Thus the volume of the 2 cylinders are in ratio of 3*3*10/5*5*9=90/225 or 90:225