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  • Re: A NPC center on the OI line ?

    ... circumcenter of triangles BPC,CPA,APB. >Let A',B',C' be midpoints of AOa,BOb,COc then NPC center of A'B'C' lies on Euler line of ABC. Denote Np = the NPC

    xpolakis 22 hours ago
  • NPC center -- Locus

    Let ABC be a triangle, P a point and PaPbPc the circumcevian triangle of P. Let A',B',C' be the midpoints of APa, BPb, CPc, resp, Which is the locus of the NPC

    xpolakis 1 day ago
  • Re: A NPC center on the OI line ?

    ... Very nice problem dear Mr αντρέας. I have found a general problem Using dilation, I rewrite your problem as Let ABC be a triangle with circumcenter

    xpolakis 1 day ago
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List Owner: Antreas P. Hatzipolakis

Continued in ANOPOLIS List :

https://groups.yahoo.com/neo/groups/Anopolis/info
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  • 3
  • Geometry
  • Dec 22, 1999
  • English

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