Denote:
A* = BC" /\ CB"
B* = CA" /\ AC"
C* = AB" /\ BA"
For which points P the circumcenters of the six triangles:
PA*B", PA*C", PB*C",PB*A", PC*A", PC*B" are concyclic?
Antreas P. Hatzipolakis, 26 April 2013
Denote:
A* = BC" /\ CB"
B* = CA" /\ AC"
C* = AB" /\ BA"
For which points P the circumcenters of the six triangles:
PA*B", PA*C", PB*C",PB*A", PC*A", PC*B" are concyclic?
Antreas P. Hatzipolakis, 26 April 2013
Let A1A2A3 be an equilateral triangle and Pa point. Denote: 1, 2, 3 = the Euler lines of PA1A2,PA2A3, PA3A1, resp. 1,2,3 are concurrent. ...
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