Math, asked by bd4885618, 1 year ago

The heights of two right circular cylinders are in the ratio 5:4. If their radii are in the ratio 2:3, find the ratio of their curved surface areas.

Answers

Answered by guriya4
3
right answer is 5:6 . I hope this will help you
2pi*r1*h1/2pi*r2*h2=r1*h1/r2*h2=2*5/3*4=10/12=5/7

bd4885618: plz show the full method
Answered by dhonisuresh0703
3
ratio of their C.S.A=2*22/7*2x*5x/2*22/7*3x*4x
                             =10x^2/12x^2=5/6
hence the ratio of their C.S.A=5:6
please mark my answer as brainliest

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