the radio two cylinders are in the ratio 2 ratio 3 and their height are in the ratio 5 ratio 3 calculate the ratio of the curved surface areas
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CYLINDER 1
radius be 2x
height be 5x
csa of a cylinder= 2pirh
=2 pi 2x*5x
=2 pi 10x^2
CYLINDER 2
radius be 3x
height be 3x
csa of the cylinder = 2*pi*9x
raito of their csa= csa of cylinder 1/ csa of cylinder 2
= 2pi 10x/2pi 9x
=10/9
=10:9
ans: the ratio is 10:9
hope you understood it
thanks for asking....cheers!
radius be 2x
height be 5x
csa of a cylinder= 2pirh
=2 pi 2x*5x
=2 pi 10x^2
CYLINDER 2
radius be 3x
height be 3x
csa of the cylinder = 2*pi*9x
raito of their csa= csa of cylinder 1/ csa of cylinder 2
= 2pi 10x/2pi 9x
=10/9
=10:9
ans: the ratio is 10:9
hope you understood it
thanks for asking....cheers!
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