X3079¶
DANNEELS POINT OF X20
X3079 (DANNEELS POINT OF X20) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {2, 3} (Euler line), {154, 1249}
Related Centers: X20 (DE LONGCHAMPS POINT), X1249 (ISOGONAL CONJUGATE OF X1073), X2 (CENTROID), X3 (CIRCUMCENTER), X154 (-CEVA CONJUGATE OF X6)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a u^{2}(bv + cw)\), where \(u : v : w\) = X20
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\) As a point on the Euler line, X3079 has Shinagawa coefficients \((4F^{2}, -4(E + F)F + S^{2})\).
Search Value (6, 9, 13): \(-0.644259308074\)