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Hyacinthos · We discuss themes on Triangle Geometry
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Group Information

  • Members: 630
  • Category: Geometry
  • Founded: Dec 22, 1999
  • Language: English
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Activity within 7 days:

23 New Messages - New Questions

Description

We discuss themes on Triangle Geometry (Triangle Points / Lines / Circles, Conics, Cubics etc)

List Owner: Antreas P. Hatzipolakis (in Greece)

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List Owner's Other Group ANOPOLIS and Blogs:

ANTHRAKITIS

ANOPOLIS

MADARA

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Conjecture
http://anthrakitis.blogspot.com/2012/02/pp-pp.html <http://anthrakitis.blogspot.com/2012/02/pp-pp.html> (it is too late to check if I have already posted it
Posted - Wed Feb 22, 2012 11:28 pm
 Antreas
xpolakis
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Forum Geometricorum
The following paper has been published in Forum Geometricorum. It can be viewed at http://forumgeom.fau.edu/FG2012volume12/FG201202index.html The editors Forum
Posted - Wed Feb 22, 2012 6:55 pm
 forumgeom forumgeom
ForumGeom@...
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Re: Concurrent Euler Lines
Thanks, Etienne. Generalized: http://anthrakitis.blogspot.com/2012/02/concurrent-euler-lines-generaliz\ ation.html
Posted - Wed Feb 22, 2012 12:09 pm
 Antreas
xpolakis
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Re: Concurrent Euler Lines
... It is the orhocenter of the orthic triangle. friendly, Etienne
Posted - Wed Feb 22, 2012 11:36 am
 Etienne Rousee
etienne.rousee
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Re: Concurrent Euler Lines
... Hello Hyacinthos, With Matlab, I find the intersection points of the two triples of Euler lines: 1) (-s1*s2^2+2*s1^2*s3+s2*s3)/(2*s1*s3) 2)
Posted - Wed Feb 22, 2012 10:20 am
 Etienne Rousee
etienne.rousee
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2012 167 73
2011 172 71 72 54 76 48 30 58 34 22 165 178
2010 56 79 111 103 80 81 100 97 74 63 144 111
2009 70 137 105 220 182 121 139 154 86 87 52 68
2008 128 75 70 96 96 84 103 105 95 121 58 117
2007 124 133 182 133 53 45 39 88 100 179 126 87
2006 129 108 348 378 235 324 356 270 109 168 152 138
2005 72 42 62 83 66 51 100 57 83 119 75 181
2004 271 259 196 135 64 143 220 163 213 286 69 54
2003 222 165 225 234 136 103 84 315 343 440 246 147
2002 104 149 235 226 291 123 75 51 41 116 62 147
2001 180 58 181 68 188 224 149 371 327 237 216 148
2000 172 172 269 111 112 147 59 173 217 164 238 329
1999 44
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