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September 30, 2014

September 30, 2014

Posted by **sara** on Thursday, February 23, 2012 at 8:39pm.

- geometry -
**Steve**, Friday, February 24, 2012 at 12:10amIf a side of an equilateral triangle is 2x, then the altitude is x√3

since 2x=12,

x√3 = 6√3

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