X935

POINT ALCOR

X935 = trilinear pole of line X6X67 (the radical axis of the orthocentroidal circle and Dao-Moses-Telv circle)
< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 67, 74 }: Central Line L(67, 74) { 98, 186 }: Central Line L(98, 186) { 111, 468 }: Central Line L(111, 468) { 110, 525 }: Central Line L(110, 525) { 112, 523 }: Central Line L(112, 523) { 4, 842 }: Central Line L(4, 842) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_98 = TARRY POINT (0.8891, -0.2281) X_186 = INVERSE-IN-CIRCUMCIRCLE OF X(4) (0.7957, 0.8758) X_111 = PARRY POINT (0.9885, -0.0457) X_468 = -LINE CONJUGATE OF X(3) (0.7498, 0.7558) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_525 = ISOGONAL CONJUGATE OF X(112) (-0.0468, 0.2556) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_4 = ORTHOCENTER (0.6122, 0.3958) X_842 = ISOGONAL CONJUGATE OF X(542) (-0.0101, 0.1156) X_935 = POINT ALCOR (0.8281, 0.4929) A B C X67 X74 X98 X186 X111 X468 X110 X525 X112 X523 X4 X842 X935 (a, b, c) = (5, 6, 7) | AB = 1

X935 (POINT ALCOR) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

Constructed Elements

Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = 1/(bw - cv)\),\(u : v : w\) = X67
Barycentrics: \(1/((b^{2} - c^{2}) (b^{2} + c^{2} - a^{2}) (b^{4} + c^{4} - a^{4} - b^{2} c^{2})) : :\)
Search Value (6, 9, 13): \(1.208870298682\)

X935 lies on the circumcircle.

▸ Incident Central Lines9 lines

{4, 842}, {67, 74}, {98, 186}, {99, 3267}, {110, 525}, {111, 468}, {112, 523}, {250, 827}, {378, 477}

▸ Functional Relations12 relations