The radio of two cylinders are in the ratio 2:3and their heights are in the ratio 5:3 . Calculate the ratio of their volume.also calculate the ratio of their curved surfaces.
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Volume of cylinder = 3.14 * r^2 * h
Ratio will be = r1^2*h1 : r2^2 * h2
= 2^2 * 5 : 3^2 * 3
= 20:27 ANS.
Curved Surface area of cylinder = 2 * 3.14 * r * h
So ratio of curved surface area will be = r1 * h1 : r2 * h2
= 2 * 5 : 3 *3
= 10 : 9 ANS.
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