SOLUTION: The scale factor of two similar rectangular prisms is 3. The surface area of the smaller prism is 15in2

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Question 1034788: The scale factor of two similar rectangular prisms is 3.
The surface area of the smaller prism is 15in2
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Surface area is proportional to the square of the ratio of the sides.
Thus, if one prism's sides are 3 times as long, then its surface area is 9 times greater.
So if the smaller prism has a surface area of 15 in^2, then the larger has a surface area of 135 in^2.