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September 3, 2014

September 3, 2014

Posted by **david** on Sunday, November 4, 2012 at 8:26pm.

- maths -
**Steve**, Monday, November 5, 2012 at 1:49amIf the sloping sides measure x each, then the bottom is 14-2x.

So, the cross-section has area 1/2 (8) (14-2x + 2(14-2x))/2 = 12(7-x)

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