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August 22, 2014

August 22, 2014

Posted by **ggift** on Wednesday, September 2, 2009 at 8:16pm.

i don't understand this at all!!

- MATH 157 -
**Reiny**, Wednesday, September 2, 2009 at 8:28pmthe surface area of similar figures varies directly as the square of their corresponding sides

so surface area(1)/surface area(2) = (1^2)/(3^2) = 1/9

so the surface area of the larger cylinder is 9 times that of the smaller.

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