The radii of two cylinders are 2:3 and their height are in the ratio of 5:3. Find the ratio of their curved sufaces area
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Step-by-step explanation:
The radii of two cylinders are 2:3 and their height are in the ratio of 5:3
Ratio of radii r1:r2 = 2:3
Ratio of heights h1:h2 = 5:3
Ratio of curved surface=2*pi*r1*h1 : 2*pi*r2*h2
=(r1*h1)/(r2*h2)
=( r1/r2)* (h1/h2)
=(2/3)*(5/3)
= 10/9
ANSWER : 10:9
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