CBSE Class 9 Answered
The radii of two right circular cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 4. Find the ratio of their curved surface areas.
Asked by Topperlearning User | 21 Mar, 2014, 03:38: PM
Expert Answer
Let r1 = 2x, r2 = 3x
h1 = 5h, h2 = 4h
Curved surface area of cylinder = 2 rh
Ratio of Curved Surface Areas =
Answered by | 21 Mar, 2014, 05:38: PM
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