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
From a New Criterion of a Cyclic Quadrilateral (NCCQ) to Pythagorean System –– An Alternative Study Athanasios Gakopoulos, Farsala, Greece ...
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