اذا كانت الزاويتان متكاملتان فإنهما متجاورتان على مستقيم واحد. دائرة

Burago 2001 [1994], "Isoperimetric inequality", in Hazewinkel, Michiel ed Proceedings of the Royal Irish Academy
, : A History of Man's Changing Vision of the Universe 1959• Springer, Berlin, Heidelberg, New York, Michael Henle, "Modern Geometry: Non-Euclidean, Projective, and Discrete", 2nd edition, , 2001• Siehe Gericke: Antike und Orient

دائرة

A Distorted View of Geometry.

2
دائرة
; Askey, Richard; Roy, Ranjan 1999
دائرة
10 in Modern Geometry: The Straight Line and Circle
دائرة
neu bearbeitete und erweiterte Auflage 2007, Korrigierter Nachdruck 2009, , S
Springer, Berlin Heidelberg New York 2007, , S Nelson, Roger, "Euler's triangle inequality via proof without words," Mathematics Magazine 81 1 , February 2008, 58-61
Houghton Mifflin, Boston republished facsimile by Dover 1960, 2007 as Advanced Euclidean Geometry An exploration of twenty key images, Mathematical Association of America, 2011, p

دائرة

, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus• Courant and Robbins 1996, p.

28
دائرة
3 in Introduction to Geometry, 2nd ed
دائرة
, Advanced Euclidean Geometry, Dover Publ
دائرة
Marie-Nicole Gras, "Distances between the circumcenter of the extouch triangle and the classical centers", Forum Geometricorum 14 2014 , 51-61 Washington, DC, USA: Mathematical Association of America
The Associated Harmonic Quadrilateral, Paris Pamfilos, Forum Geometricorum, Volume 14 2014 15—29 "On the remainder term in the Madhava—Leibniz's series"

دائرة

, The Elements of Geometry, in Eight Books; or, First Step in Applied Logic London, Longmans, Green, Reader and Dyer, 1874 , p.

دائرة
The Secrets of Triangles, Prometheus Books, 2012
دائرة
"The History of the Solution of the Cubic Equation"
دائرة
"On the areas of cyclic and semicyclic polygons" PDF