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September 18, 2014

September 18, 2014

Posted by **Lisa** on Monday, October 3, 2011 at 2:38pm.

- geometry -
**Steve**, Monday, October 3, 2011 at 4:02pmDid you forget that area = 1/2 * base * height?

20 = 1/2 * b * (1+2b)

b = 4.229in

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