SOLUTION: What is the ratio of the surface areas for a pair of similar cylinders when the ratio of the heights 3:1?

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Question 475154: What is the ratio of the surface areas for a pair of similar cylinders when the ratio of the heights 3:1?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
9:1, surface area is two-dimensional so anything area-related would be scaled by a factor of x^2, not x (x is the linear scale factor).