> No library that I know of, but drawing tangents (and therefore, > perpendiculars) is straight-forward: > > https://tex.stackexchange.com/a/108060/323 > > Circumcircle, orthocenter, etc... are you thinking of triangles or general > polynomails? >
Triangles. I understand that most of it is very easy, but still a library will help new users. Tikz has Tikz-Euclide and Asymptote has a Geometry package. A similar library for Metafun will be very useful. -- Respect, Shiv Shankar Dayal
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