- May 1, 2009Let ABC be a triangle and A'B'C' the cevian / pedal
triangle of a point P.
Ab, Ac:=The orthogonal projections of B',C' on PC',PB',
A":= B'C' /\ AbAc.
Similarly Bc,Ba, B" and Ca,Cb, C".
Which is the locus of P such that:
1. AbAc, BcBa, CaCb are concurrent
2. A",B",C" are collinear.
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