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December 22, 2014

December 22, 2014

Posted by **Ivan** on Sunday, January 16, 2011 at 12:45am.

- Geometry -
**Henry**, Sunday, January 16, 2011 at 7:40pmA = ((B1 + B2) /2)h.

A = ((10 + 12) / 2)12,

A = (22 / 2)12 = 132cm^2.

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