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Revision as of 13:38, 9 September 2009
Number three was a little technical so I thought maybe I'd toss out a hint. Construct lines AP, BP and CP. These three lines, together with line segments a, b and c, divide the equilateral triangle into six smaller triangles. Calculating the area of them, and doing a lot of algebra, should get you where you need to go.
That worked for me! Thanks for the advice!
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