18094Re: Problem from Vietnam Team Selection Tests 2009
- Aug 2, 2009
> Another problem with the "Vietnameze" triangle.Let ABC be a triangle, P a point, A'B'C' the cevian triangle
of P and A",B",C" the second intersections of the circumcircle
of ABC with the circumcircles of AB'C', BC'A', CA'B', resp.
A* := BB" /\ CC"
B* := CC" /\ AA"
C* := AA" /\ BB"
Which is the locus of P such that
ABC, A*B*C* are perspective?
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