Question

The radii of two cylinders are in the ratio 2 : 5 , and their heights are
in ratio 4 : 3 . What is the ratio of their curved surface areas

Answer 1

Answer:

CSA of cylinder = 2πrh

Ratio == r1 h1 : r2 h2

== 2×4 : 5×3

== 8:15

Answer 2

Answer:

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Step-by-step explanation:

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