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September 20, 2014

September 20, 2014

Posted by **shraddha** on Friday, March 9, 2012 at 7:43am.

- geometry -
**drwls**, Friday, March 9, 2012 at 8:41amYour triangle is overdetermined. Three sides, which are given, fully define the triangle, which in your case is isosceles. The apex angle imust be 2*sin^-1 (2.5/4) = 77.36 degrees, and the other two angles are

(1/2)(180-77.36) = 51.32 degrees

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