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Re: Parallelogic - Loci

(3)
... Let PaPbPc the antipedal triangle of P. Which is the locus of P such that the parallels to Ra,Rb,Rc through Pa, Pb, Pc, resp. are concurrent? The whole
Antreas Hatzipolakis
3
posts
3:58 AM

Homothetic triangles

(7)
[APH]: Let ABC be a triangle and A'B'C' the cevian triangle of I. Denote: Bc, Cb = the reflections of B, C in CC', BB', resp. Oa = the circumcenter of ABcCb.
Antreas Hatzipolakis
7
posts
Jul 26

NPC - Homothetic triangles

(5)
... (Un théorème de Antreas Hatzipolakis, read de Telv Cohl) http://www.les-mathematiques.net/phorum/read.php?8,1126549,1127089 APH  Antreas Hatzipolakis
Antreas Hatzipolakis
5
posts
Jul 23

Circumcenter lies on Brocard axis

(4)
Circumcenter lies on Brocard axis Let $ABC$ be a triangle and $P$ is a point lies on Brocard axis. $PA,PB,PC$ intersect the Appollonius circles with respect to
Antreas Hatzipolakis
4
posts
Jun 27
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