[Tran Quang Hung]:
Dear geometers,
Let ABC be a triangle with orthocenter H.
Fermat axis of triangle HBC,HCA,HAB meets BC,CA,AB at A',B',C'.
Then AA',BB',CC' are concurrent. Which is this point ?
Best regards,
Tran Quang Hung.
[César Lozada]:
Q = polar conjugate of X(252)
= (S^2+SB*SC)*(SA^2-3*S^2)*SB*SC : : (barys)
= On lines: {2, 10979}, {4, 569}, {53, 311}, {94, 2052}, {275, 11538}, {472, 8836}, {473, 8838}, {1568, 6750}, {1625, 1993}, {3078, 10003}
= polar conjugate of X(252)
= {X(53), X(467)}-Harmonic conjugate of X(324)
= [ 0.103478799694122, 0.06249012912866, 3.549642638805712 ]
César Lozada
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