مساحة الدائره. حاسبة مساحة وقطر الدائرة أونلاين

"On the Equations and Properties: 1 of the System of Circles Touching Three Circles in a Plane; 2 of the System of Spheres Touching Four Spheres in Space; 3 of the System of Circles Touching Three Circles on a Sphere; 4 of the System of Conics Inscribed to a Conic, and Touching Three Inscribed Conics in a Plane"	"The History of the Solution of the Cubic Equation"
Smith, Geoff, and Leversha, Gerry, "Euler and triangle geometry", Mathematical Gazette 91, November 2007, 436—452	10 in Modern Geometry: The Straight Line and Circle

بحث عن الدائرة ومحيطها

Houghton Mifflin, Boston republished facsimile by Dover 1960, 2007 as Advanced Euclidean Geometry.

كيف أحسب مساحة الدائرة: Translated from Postnikov's 1963 Russian book on
قانون مساحة الدائرة: Proceedings of the Royal Irish Academy
مساحة الدائرة interactive worksheet: Novi Commentarii academiae scientarum imperialis Petropolitanae

Siehe Gericke: Antike und Orient	An exploration of twenty key images, Mathematical Association of America, 2011, p
Marie-Nicole Gras, "Distances between the circumcenter of the extouch triangle and the classical centers", Forum Geometricorum 14 2014 , 51-61	3 in Introduction to Geometry, 2nd ed

Dragutin Svrtan and Darko Veljan, "Non-Euclidean versions of some classical triangle inequalities", Forum Geometricorum 12 2012 , 197—209.

مساحة الدائرة: Michael Henle, "Modern Geometry: Non-Euclidean, Projective, and Discrete", 2nd edition, , 2001• Todor Zaharinov, "The Simson triangle and its properties", Forum Geometricorum 17 2017 , 373--381
مساحة الدائرة interactive worksheet
قانون مساحة نصف الدائرة: Altshiller-Court, Nathan, College Geometry, Dover, 2007

, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus• The Associated Harmonic Quadrilateral, Paris Pamfilos, Forum Geometricorum, Volume 14 2014 15—29	Washington, DC, USA: Mathematical Association of America
in modern notation, with introductory chapters	neu bearbeitete und erweiterte Auflage 2007, Korrigierter Nachdruck 2009, , S

Berlin, New York: DE GRUYTER.

قانون مساحة نصف الدائرة: , The Elements of Geometry, in Eight Books; or, First Step in Applied Logic London, Longmans, Green, Reader and Dyer, 1874 , p
برنامج حساب مساحة الدائرة و المحيط والقطر: Alsina, Claudi and Nelsen, Roger, Icons of Mathematics
قانون محيط الدائرة ومساحتها: Martin Celli, "A Proof of the Butterfly Theorem Using the Similarity Factor of the Two Wings", 16, 2016, 337—338