the radii of two cylindrical are in the ratio 2:3 and their height are in the ratio 5:3. calculate the ratio of their curved surface areas.
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Csa of 1st cylinder =2pi10
csa of 2nd cylimder=2pi9
Their ratio 10:9
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Answer:
Csa1/csa2= 2πr1h1)/2πr2h2
= 2r*5h/3r*3h
= 10:9
Step-by-step explanation:
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