X2450

INVERSE-IN-NINE-POINT-CIRCLE OF X1316

X2450 = inverse-in-nine-point-circle of X1316
< 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) { 2, 3 }: Euler Line { 230, 248 }: Central Line L(230, 248) { 66, 2165 }: Central Line L(66, 2165) { 1503, 1976 }: Central Line L(1503, 1976) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_248 = -LINE CONJUGATE OF X(132) (0.8229, -0.0790) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_2165 = -ISOCONJUGATE OF X(47) (-0.1110, -0.0295) X_1503 = POINT ARKAB (0.4818, -0.3843) X_1976 = TRILINEAR POLE OF PU(39) (1.0272, -0.3962) X_2450 = INVERSE-IN-NINE-POINT-CIRCLE OF X(1316) (1.2654, 2.1048) A B C X2 X3 X4 X230 X248 X66 X2165 X1503 X1976 X2450 (a, b, c) = (5, 6, 7) | AB = 1

X2450 (INVERSE-IN-NINE-POINT-CIRCLE OF X1316) 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 \(f(a,b,c) = bc[a^{4} + (b^{2} - c^{2})^{2}](a^{2}b^{2} + a^{2}c^{2} - b^{4} - c^{4})\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(9.649344720497\)
▸ Incident Central Lines5 lines

{2, 3}, {66, 2165}, {230, 248}, {1503, 1976}, {3566, 3569}

▸ Functional Relations5 relations

Notes

As a point on the Euler line, X2450 has Shinagawa coefficients \(((E + F)F - S^{2},(E + F)^{2} - S^{2})\).