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February 28, 2015

February 28, 2015

Posted by **rob** on Tuesday, March 20, 2012 at 8:53pm.

- geometry -
**Steve**, Wednesday, March 21, 2012 at 12:44pmif the distance is d,

d^2 + 12^2 = 15^2

d^2 + 144 = 225

d^2 = 81

d = 9

but then you knew that anyway, since it's a nice 3-4-5 triangle scaled by a factor of 3, eh?

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