the ratio of two cylinders 2:3 and their height are in the ratio 5:3
what is the ratio of their surface areas?
find the ratio of their volumes
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Answer:
the surface area are 2πr1h1 and 2πr2h2
r1=2x
r2=3x
h1=5h
h2=3h
then ratio is
r1h1:r2h2
it is
10xh:9xh
ratio is 10/9
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