Tuesday

July 29, 2014

July 29, 2014

Posted by **sara** on Monday, May 7, 2012 at 5:48am.

- math -
**Reiny**, Monday, May 7, 2012 at 9:23amthe ratio of the volumes (weight) of two similar figures is proportional to the cube of their sides

so the ratio of sides for the two solids

= cuberoot(1000/64) = 2.5

the ratio of the surface are is proportional to the square of their sides

so

x/340 = 2.5^2 / 1^2

x = 340(6.25) = 2125 square inches

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