SOLUTION: Two cylinders have equal heights.Their radius are in the in the ratio 3:4 what is the ratio of their volumes? what is the ratio of their C.S.A' s?

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Question 923846: Two cylinders have equal heights.Their radius are in the in the ratio 3:4 what is the ratio of their volumes? what is the ratio of their C.S.A' s?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 .

%28pi%283x%29%5E2h%29%2F%28pi%284x%29%5E2h%29+=+9x%5E2%2F16x%5E2+=+9%2F16

ratio of their volumes: 9:16

..........

%282pi%283x%29h%29%2F%282pi%284x%29h%29+=+3%2F4

ratio of their Curved Surface Areas: 3:4