The radius of two cylinder are in the ratio 2 ratio 3 and their height are in the ratio 5 ratio 3 calculate the ratio of their curved surface areas
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Answer:
their curved surface area is in the ratio 10:9
Explanation:
r1/r2=2/3
h1/h2=5/3
curved surface area = 2πrh
hence its ratio would be
2πr1h1/2πr2h2
=r1h1/r2h2
=r1/r2*h1/h2
=2/3*5*3
=10/9
hence ratio= 10:9
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