Siehe Gericke: Antike und Orient | Novi Commentarii academiae scientarum imperialis Petropolitanae |
---|---|
"On the areas of cyclic and semicyclic polygons" PDF | Marie-Nicole Gras, "Distances between the circumcenter of the extouch triangle and the classical centers", Forum Geometricorum 14 2014 , 51-61 |
Altshiller-Court, Nathan, College Geometry, Dover, 2007 | An exploration of twenty key images, Mathematical Association of America, 2011, p |
---|---|
Burago 2001 [1994], "Isoperimetric inequality", in Hazewinkel, Michiel ed | Todor Zaharinov, "The Simson triangle and its properties", Forum Geometricorum 17 2017 , 373--381 |
neu bearbeitete und erweiterte Auflage 2007, Korrigierter Nachdruck 2009, , S | Advanced Euclidean Geometry: An Elementary treatise on the geometry of the Triangle and the Circle |
---|---|
A Distorted View of Geometry | Courant and Robbins 1996, p |