The radius of 2 right circular cylinder are in the ratio of 2:3 and their height ratios te 5:4.Calculate the ratio of their casa and volume
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Let the radius of cylinder be 2x and 3x respectively
Let their heights be 5y and 4y
Csa of 1 cylinder : csa of 2 cylinder=
2*22/7*2x*5y:2*22/7*3x*4y=
10xy:12xy
=5:6
Volume of 1 cylinder : volume of 2 cylinder=
22/7*(2x)^2*5y:22/7*(3x)^2*4y=
5:9
Let their heights be 5y and 4y
Csa of 1 cylinder : csa of 2 cylinder=
2*22/7*2x*5y:2*22/7*3x*4y=
10xy:12xy
=5:6
Volume of 1 cylinder : volume of 2 cylinder=
22/7*(2x)^2*5y:22/7*(3x)^2*4y=
5:9
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