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posted by nini Thursday, March 11, 2010 at 12:51pm.
In the diagram, ABCDE is a regular pentagon with the measure of represented by 2x + 1. If the perimeter of the pentagon is 45, find the value of x.
5(2x + 1) = 45 10x + 5 = 45 10x = 40 x = ?
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