The raddi of two cylinders are in the ratio2:3 and their heights are in the ratio 5:3. Calculate the ratio of their curved surface area.
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answer is 2:5
Step-by-step explanation:
let radius of one cylinder be r1=2x
and other be r2= 3x
and h1=5x and H2=3x
curved surface area of cylinder= 2πrh
cylinder1/cylinder2= 2πr1h1/2πr2h2
(2x/5x)/(3x/3x)
2/5= 2:5
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