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posted by Sarah on Monday, January 7, 2008 at 9:17pm.

Area of a trapezoid solve for b1: A= 1/2h(b1= b2)

Looks like a typo A = (1/2) h (B1+B2) 2 A = h B1 + h B2 h B1 = 2 A - h B2 B1 = (2 A - h B2) / h

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