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Home » Olympiad Section » Geometry » Geometry Theorems and Formulas

311 Topics • Page 2 of 7 • Previous 1, 2, 3, 4, 5, 6, 7 Next

Announcements			Author	Replies	Views	Last Post
		Kiran Kedlaya's Geometry Unbound	rrusczyk	8	7839	Fri Jan 02, 2009 6:49 am #H34N1

Topics		Author	Replies	Views	Last Post
	Circles [proof of Feuerbach's theorem] Karl Wilhelm Feuerbach 1822	XMG	8	6444	Tue May 12, 2009 9:12 am jayme
	Proof of 4-Color Theorem	MathZen
	An unlikely concurrence, revisited and generalized	jayme	0	422	Wed May 06, 2009 1:20 am jayme
	Napoleon's theorem	Rijul saini	7	1365	Sat May 02, 2009 2:59 am balan razvan
	A famous theorem	chien than	4	2391	Wed Apr 29, 2009 9:35 am sunken rock
	Barycentric Coordinate	NextPeace	4	1086	Tue Apr 21, 2009 2:53 pm luisgeometria
	Gauss + Miquel + Aubert [a. k. a. Steiner]	grobber	9	4692	Tue Apr 21, 2009 11:54 am balan razvan
	Area-preserving transformation	Sashsiam_2	1	473	Sun Apr 19, 2009 7:20 am nsato
	The Erdös-Mordell Inequality	Johann Peter Dirichlet	5	3026	Mon Apr 13, 2009 12:06 pm luisgeometria
	Areal coordinates of the orthocenter	Laplace	1	465	Sat Apr 11, 2009 10:09 am luisgeometria
	A new mixtilinear incircle adventure III mixtilinear incircle and Thébault's circles	jayme	0	389	Sun Apr 05, 2009 1:31 am jayme
	Regular Simplex Existence	bambaman	4	568	Sun Mar 22, 2009 10:25 pm bambaman
	Poincare theorem	BG Yoda	3	577	Wed Mar 18, 2009 3:39 pm luisgeometria
	Casey theorem on five circles (generalized Ptolemy theorem)	alekk	3	1522	Tue Mar 17, 2009 12:56 am BG Yoda
	euler line	aadil	1	480	Thu Mar 12, 2009 3:37 am Agr_94_Math
	poles and polars wrt conic	Leonhard Euler	0	397	Sun Mar 08, 2009 2:01 am Leonhard Euler
	A new mixtilinear incircles adventure II own	jayme	0	336	Wed Mar 04, 2009 2:52 am jayme
	directed segment,angle	Leonhard Euler	0	388	Tue Feb 17, 2009 3:55 am Leonhard Euler
	A new mixtilinear incircle adventure 1	jayme	0	459	Wed Feb 04, 2009 3:07 am jayme
	length of the given parabola length of the given parabola	math_dn12	1	401	Sun Feb 01, 2009 7:18 am puuhikki
	my second inequality	Nguyen The Ky Cuong	2	506	Fri Jan 30, 2009 9:15 pm TRAN THAI HUNG
	Brocard	fallinlovewithmaths	1	604	Sun Jan 18, 2009 2:53 am mathtam
	Qudrilateral area formulas	whomer	1	549	Sat Jan 03, 2009 2:43 am mihai miculita
	Stevanovic Circle	HelloWorld	1	633	Tue Dec 09, 2008 8:22 am rafaelm
	Do it	gilcu3	3	603	Thu Dec 04, 2008 9:45 am limes123
	Kubota's theorem	Kouichi Nakagawa	0	698	Thu Nov 20, 2008 6:28 pm Kouichi Nakagawa
	Need help proving a theorem	huang	1	559	Tue Nov 18, 2008 3:43 pm limes123
	Ebooks/ Books to recommend for basic to advanced geometry	sazuzu	0	689	Sun Nov 16, 2008 4:38 am sazuzu
	spherical interpretation of inversion	calc rulz	0	439	Thu Nov 13, 2008 6:56 pm calc rulz
	17-gon hard	HelloWorld	3	1026	Tue Oct 28, 2008 12:40 am HelloWorld
	Nine Point Circle	TaiPan~SP!	3	1792	Fri Oct 17, 2008 9:13 pm jayme
	help me with complicated geometric theories or features blabla	Qukidon	0	503	Mon Oct 13, 2008 2:40 am Qukidon
	The Monge-D'Alembert theorem How to prove?	qwerty414	3	1601	Tue Oct 07, 2008 8:12 am Fabiomr1
	Let A1, A2, ... , An be a cyclic polygon, if the sum of inr	mathwizarddude	1	588	Thu Oct 02, 2008 10:46 pm Albanian Eagle
	Concurrency (useful!): Cevian Nests Theorem (or part of it) Kedlaya?	Arne	7	3648	Tue Sep 30, 2008 5:59 am vittasko
	Relation between incentre and Euler line	Michael Niland	2	2762	Tue Sep 09, 2008 1:43 pm goranm
	Harmonic division and its properties	Erken	0	671	Mon Sep 01, 2008 5:51 am Erken
	Desargues theorem	shobber	17	4622	Sun Aug 24, 2008 8:39 am glorfs
	Blanchet theorem: altitude as angle bisector in cevian tria.	ashrafmod	11	4388	Mon Aug 18, 2008 5:05 am jayme
	Bicentric Quadrilateral Formula	HelloWorld	1	792	Fri Aug 08, 2008 10:20 am 28121941
	Is Pascal for circles the same of "it exists the isog conj"? A simple proof of Pascal's Theorem...	salamitrosky	0	583	Sat Aug 02, 2008 10:23 pm salamitrosky
	Dimensions !	wallace	2	615	Wed Jul 30, 2008 6:05 am encyclopedia
	for help for help	sunqi	3	808	Sun Jul 27, 2008 4:32 am sunqi
	The Appolonius' construct problems. Classic.	Virgil Nicula	0	665	Fri Jul 25, 2008 1:53 pm Virgil Nicula
	Monge's theorem??	dmath328	3	880	Thu Jul 24, 2008 7:23 am pohoatza
	Pedal Area	HelloWorld	3	910	Tue Jul 15, 2008 5:48 am HelloWorld
	Examples of using harmonic divisions and polarity [ Goto page: 1, 2, 3, 4, 5, 6, 7 ]	pardesi	136	24815	Thu Jul 10, 2008 10:28 am math1990
	Distance in n dimensions between a "plane" and point it's really important	Makaveli	6	1291	Tue Jul 08, 2008 5:37 am bodan
	whats is the value of length AR?	math_07	3	906	Thu Jun 26, 2008 3:38 pm dgreenb801
	gossard theorem	cuenca	3	1110	Thu Jun 26, 2008 5:06 am 28121941
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311 Topics • Page 2 of 7 • Previous 1, 2, 3, 4, 5, 6, 7 Next

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