X1280

ISOGONAL CONJUGATE OF X1279

X1280 is the isogonal conjugate of X1279.
< 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) { 644, 1 }: Central Line L(644, 1) { 57, 100 }: Central Line L(57, 100) { 8, 277 }: Central Line L(8, 277) { 145, 279 }: Central Line L(145, 279) { 200, 244 }: Central Line L(200, 244) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_644 = TRILINEAR MULTIPLIER FOR YFF PARABOLA (-0.0171, 0.3359) X_1 = INCENTER (0.5714, 0.2333) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_8 = NAGEL POINT (0.4694, 0.1333) X_277 = ISOGONAL CONJUGATE OF X(218) (0.4242, 0.1335) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_279 = ISOGONAL CONJUGATE OF X(220) (0.6236, 0.3540) X_200 = -CEVA CONJUGATE OF X(9) (0.4392, 0.1037) X_244 = -LINE CONJUGATE OF X(100) (0.7857, 0.1166) X_1280 = ISOGONAL CONJUGATE OF X(1279) (1.1600, 0.1306) A B C X644 X1 X57 X100 X8 X277 X145 X279 X200 X244 X1280 (a, b, c) = (5, 6, 7) | AB = 1

X1280 (ISOGONAL CONJUGATE OF X1279) 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 \(f(a,b,c) = 1/[(b-c)^{2} - a(b + c - 2a)]\)
Search Value (6, 9, 13): \(-6.176127246093\)
▸ Incident Central Lines7 lines

{1, 644}, {8, 277}, {57, 100}, {81, 643}, {105, 518}, {145, 279}, {200, 244}

▸ Functional Relations3 relations