circumcircle of the orthic triangle of a heptagonal triangle is the nine-point circle of the original triangle. French Le cercle circonscrit au triangle orthique...
English French Dans un triangle, les côtés de son triangle tangentiel (en violet), de son triangle orthique (en rouge) et du triangle médian de ce dernier...
created with GeoGebra by v. English illustration of properties of the orthic triangle author name string: Kmhkmh Wikimedia username: Kmhkmh URL: https://commons...
created with GeoGebra by v. English illustration of properties of the orthic triangle author name string: Kmhkmh Wikimedia username: Kmhkmh URL: https://commons...
vector image was created with GeoGebra by v. English illustration of an orthic triangle author name string: Kmhkmh Wikimedia username: Kmhkmh URL: https://commons...
created with GeoGebra by v. English illustration of properties of the orthic triangle author name string: Kmhkmh Wikimedia username: Kmhkmh URL: https://commons...
Fagnano's theorem states that the inscribed triangle with the smallest perimeter is the orthic triangle Greek Θεώρημα Fagnano: το εγγεγραμμένο τρίγωνο...
DescriptionOrthic triangle.png English: orthic triangle, illustration of fagnano's problem Date 27 January 2008 Source Own work Author Kmhkmh PNG development...
DescriptionOrthic triangle.JPG English: Orthic triangle: ΔABC, a, b, c – sides, va, vb, vc – altitudes, Va, Vb, Vc – feet of the altitudes, V – orthocenter...
vector image was created with GeoGebra by v. English proprty of the pedal triangle URL: https://commons.wikimedia.org/wiki/User:Kmhkmh Wikimedia username:...