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September 3, 2014

September 3, 2014

Posted by **Myles** on Tuesday, February 21, 2012 at 9:27pm.

- geometry -
**Reiny**, Tuesday, February 21, 2012 at 9:30pm7/x = x/12

x^2 = 84

x = ± √84 or ± 2√21

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