r494

Let AAcBcB, BBaCaC, CCbAbA be the Vecten squares. The lines BcBa, CaCb, AbAc bound a triangle A'B'C'. Let GaGbGc be the antipedal triangle of the centroid G. Then A'B'C' and GaGbGc are homothetic with center X the reflection of G with respect to the circumcenter O.


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