[math-fun] rational-angled triangles with rational side ratios. classification.

https://dl.dropboxusercontent.com/u/3507527/RatRatTriangles.txt gives a complete classification in Euclidean plane, and a conjecturally-complete classification in nonEuclidean planes. -- Warren D. Smith http://RangeVoting.org <-- add your endorsement (by clicking "endorse" as 1st step)