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December 20, 2014

December 20, 2014

Posted by **Piggy** on Tuesday, March 27, 2012 at 8:56pm.

- geometry -
**Reiny**, Tuesday, March 27, 2012 at 9:43pmthe volumes of 2 similar solids are proportional to the cube of their corresponding sides

the surface ares of two similar solids are proportional to the square of their corresponding sides

so side1^3/side2^3 = 1331 / 27 = 11^3/3^3

side1/side2 = 11/3

area1/area2 = 11^2/3^2

242/area2 = 121/9

121area2 = 2178

area1 = 2178/121 = 18

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