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October 20, 2014

October 20, 2014

Posted by **rose** on Tuesday, June 19, 2012 at 11:18am.

- geometry -
**Steve**, Tuesday, June 19, 2012 at 11:29amhard way:

12^2 + d^2 = 13^2

d = 5

easy way: recognize that you have a 5-12-13 right triangle.

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