The General Triangle Is Unique

Joachim Breitner 📧

April 1, 2011


Some acute-angled triangles are special, e.g. right-angled or isoscele triangles. Some are not of this kind, but, without measuring angles, look as if they were. In that sense, there is exactly one general triangle. This well-known fact is proven here formally.
BSD License


Theories of General-Triangle