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April 20, 2014

April 20, 2014

Posted by **lola** on Tuesday, November 15, 2011 at 1:00pm.

- geometry -
**Anonymous**, Tuesday, November 15, 2011 at 1:37pmA = ( 1 / 2 ) * h * b

h = 12 + b

b = h - 12

A = ( 1 / 2 ) * h * ( h - 12 )

A = ( 1 / 2 ) * ( h ^ 2 - 12 h )

A = h ^ 2 / 2 - 6 h

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