No, this isn't a homework problem.(adsbygoogle = window.adsbygoogle || []).push({});

Given any triangle with a fixed length for one edge, and a fixed internal angle for the opposite vertex, the vertex will lay on a circle, where the other edges are allowed to vary in length. But I can't seem to construct a geometrical proof. Any takers? It's deceptively simple.

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# Euclidian Proof

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