Thursday

April 24, 2014

April 24, 2014

Posted by **Meredith** on Tuesday, February 26, 2008 at 1:19pm.

- geometry -
**Qun**, Monday, March 24, 2008 at 2:13amsurface area = 2x^2 + 4xh

where x is the length of the side and h is the height.

let x= 1/3h

Then 224 = (2/9)h^2 + (4/3)h^2

solve it h = 12

then x = 1/3 h = 4

So the length is 4 and height is 12

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