Antreas P. HatzipolakisLet ABC be a triangle, A'B'C' the pedal triangle of a point PA"B"C" the pedal triangle of the circumcenter O' of A'B'C',A*B*C* the antipodal triangle of A'B'C' (ie A*,B*,C* = the
antipodes of A',B',C') and Ma, Mb, Mc the midpoints ofA"A*, B"B*, C"C*, resp.The circumcenter Q of MaMbMc lies on the line PO'Which is the ratio QO' / QP ?For P = O, (O' = N): is Q (on the Euler line) listed in ETC?APH
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