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308 Topics • Page 5 of 7 • Previous 1, 2, 3, 4, 5, 6, 7 Next
 Announcements   Author   Replies   Views   Last Post 
 Announcement 
 No new posts Attachment Kiran Kedlaya's Geometry Unbound   rrusczyk   8    7775    Fri Jan 02, 2009 6:49 am 
#H34N1 View latest post
 Topics   Author   Replies   Views   Last Post 
 No new posts vectors   cuenca   0    687    Sat Aug 12, 2006 12:59 pm 
cuenca View latest post
 No new posts Angle between lines in trilinears   siu   1    1038    Thu Aug 10, 2006 3:47 am 
hucht View latest post
 No new posts Cyclic hexagon   shobber   1    1107    Fri Aug 04, 2006 5:12 am 
darij grinberg View latest post
 No new posts Attachment Incircle, altitude, midpoint and inradius   hucht   1    593    Fri Aug 04, 2006 1:02 am 
Amir.S View latest post
 No new posts Some properties of the symmedian in a triangle.  
Classic.
Virgil Nicula   1    1129    Thu Aug 03, 2006 7:01 am 
gemath View latest post
 No new posts [ Popular ] Geometry theorems  
Goto pageGoto page: 1, 2 ]
conceive   22    7515    Wed Aug 02, 2006 10:43 pm 
Virgil Nicula View latest post
 No new posts Attachment external symmedians [symmedian point & tangential triangle]   marko avila   3    1716    Tue Aug 01, 2006 10:44 am 
benjamin View latest post
 No new posts Lines that go thruogh the triangle centres   shobber   1    1513    Mon Jul 31, 2006 6:08 pm 
gemath View latest post
 No new posts A question about baricentric coordinates   prowler   6    3490    Thu Jul 27, 2006 8:34 am 
hucht View latest post
 No new posts some problems on simplex   gemath   0    763    Wed Jul 26, 2006 7:25 am 
gemath View latest post
 No new posts Nine-point circle generalization  
pedal circle of isogonally conjugate points
Johann Peter Dirichlet   2    1694    Sun Jul 09, 2006 2:34 pm 
darij grinberg View latest post
 No new posts Corollary of Brianchon's theorem  
memedesimo
sprmnt21   12    1650    Wed Jul 05, 2006 11:29 pm 
shobber View latest post
 No new posts Routh's theorem   puuhikki   2    1527    Sun Jul 02, 2006 9:45 pm 
shobber View latest post
 No new posts Attachment Question [non-Euclidean geometry]   José   5    1892    Sat Jul 01, 2006 6:44 am 
Davron View latest post
 No new posts Pohlke's Theorem (1858)   jpark   2    1762    Thu Jun 29, 2006 6:27 am 
dashmiz View latest post
 No new posts Question Midpoints of the altitudes of a triangle  
property
dashmiz   0    873    Thu Jun 29, 2006 6:26 am 
dashmiz View latest post
 No new posts Antreas theorem 11327  
Hyacinthos msg 11327 and 13151
jbrooks   1    1190    Mon Jun 12, 2006 3:10 pm 
darij grinberg View latest post
 No new posts Isogonal conjugates   Colaci   4    1381    Fri Jun 09, 2006 4:08 am 
darij grinberg View latest post
 No new posts Using results without proving them   richard   1    933    Fri Jun 02, 2006 11:42 pm 
Ashegh View latest post
 No new posts Polar.   Davron   1    1058    Sun May 21, 2006 9:10 am 
hucht View latest post
 No new posts Papelier theorem  
Boskoff
xirti   0    974    Wed May 03, 2006 5:40 am 
xirti View latest post
 No new posts Van obal's theorem?   Centy   2    1454    Tue Apr 18, 2006 9:33 am 
Centy View latest post
 No new posts Monge's theorem  
http://mathworld.wolfram.com/MongesCircleTheorem.html
romano   13    5533    Wed Apr 12, 2006 8:00 am 
Ashegh View latest post
 No new posts Poll The best geometrer is ...   Murderer   6    2128    Tue Apr 11, 2006 9:20 am 
Davron View latest post
 No new posts Question A question about inversion   Philip_Leszczynski   3    2304    Tue Apr 11, 2006 2:01 am 
Ashegh View latest post
 No new posts Theorems.  
Geometry
Davron   3    1908    Fri Apr 07, 2006 11:36 am 
Xixas View latest post
 No new posts Help   M4RI0   0    759    Wed Apr 05, 2006 7:46 pm 
M4RI0 View latest post
 No new posts Similarity   xirti   0    781    Wed Apr 05, 2006 4:18 am 
xirti View latest post
 No new posts Trig solving   coolio2005   4    1383    Mon Mar 13, 2006 7:49 pm 
coolio2005 View latest post
 No new posts Slinko's packet on geometric inequalities   XT   0    850    Sun Mar 12, 2006 1:08 pm 
XT View latest post
 No new posts Attachment Pappus theorem is my favorite...  
www.mathworld.wolfram.com
Davron   0    1031    Wed Mar 08, 2006 10:11 pm 
Davron View latest post
 No new posts Sos need for a help...   Davron   0    779    Mon Mar 06, 2006 10:04 pm 
Davron View latest post
 No new posts Classical concurrency in circumscribed quadrilateral   shobber   1    993    Sat Mar 04, 2006 3:02 am 
Virgil Nicula View latest post
 No new posts The seven circles theorem  
Alex collection
flip2004   2    1828    Fri Mar 03, 2006 10:49 am 
juancarlos View latest post
 No new posts Another centre of a triangle   shobber   1    1112    Sat Feb 25, 2006 1:24 am 
darij grinberg View latest post
 No new posts A fairly general geometric inequality  
I think there is a name for it?
fuzzylogic   16    6622    Sat Feb 18, 2006 1:38 pm 
Virgil Nicula View latest post
 No new posts Cotes-euler formula   Ilthigore   0    914    Tue Feb 14, 2006 12:37 pm 
Ilthigore View latest post
 No new posts Classical construction   shobber   2    1251    Tue Feb 14, 2006 3:08 am 
puuhikki View latest post
 No new posts Orthic triangle   arneth   1    1063    Tue Feb 14, 2006 2:18 am 
Agrippina View latest post
 No new posts Inversion   marko avila   1    1066    Sat Feb 11, 2006 4:29 pm 
gopherhole112 View latest post
 No new posts The generalized Brahmagupta formula   darij grinberg   11    6933    Tue Feb 07, 2006 7:38 am 
dule_00 View latest post
 No new posts About the butterfly theorem.   Virgil Nicula   0    1508    Mon Feb 06, 2006 1:29 am 
Virgil Nicula View latest post
 No new posts What is the angle between two curves?   marko avila   1    469    Sat Feb 04, 2006 1:02 pm 
ZetaX View latest post
 No new posts Geometry olympiad-level problems book?   jackb1115   0    935    Fri Feb 03, 2006 6:21 pm 
jackb1115 View latest post
 No new posts A formula for collinear points   shobber   1    1191    Thu Feb 02, 2006 2:23 pm 
Virgil Nicula View latest post
 No new posts Attachment Quadrilaterals   dule_00   5    1779    Wed Feb 01, 2006 4:47 am 
Virgil Nicula View latest post
 No new posts Attachment Radical axis   dondigo   4    1510    Sat Jan 28, 2006 10:02 am 
dondigo View latest post
 No new posts Formula in a equilateral triangle   Labiliau   2    2280    Mon Jan 23, 2006 3:57 pm 
Virgil Nicula View latest post
 No new posts Attachment A property of the incenter  
Classic
pontios   2    1662    Mon Jan 23, 2006 2:18 pm 
Virgil Nicula View latest post
 No new posts Area of cyclic polygon   kcefle   2    1241    Mon Jan 23, 2006 3:42 am 
kcefle View latest post
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