X3520

EULER LINE INTERCEPT OF LINE X54X_74

X3520 = reflection of X4 in X1594
< 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) { 4, 1594 }: Euler Line { 2, 3 }: Euler Line { 54, 74 }: Central Line L(54, 74) { 39, 112 }: Central Line L(39, 112) { 93, 930 }: Central Line L(93, 930) { 99, 1235 }: Central Line L(99, 1235) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_1594 = RIGBY-LALESCU ORTHOPOLE (0.5908, 0.3395) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_54 = KOSNITA POINT (0.5880, 0.2176) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_93 = ISOGONAL CONJUGATE OF X(49) (0.5299, 0.2878) X_930 = ANTICOMPLEMENT OF X(137) (0.0497, 0.3422) X_99 = STEINER POINT (0.1109, 0.4322) X_1235 = ISOTOMIC CONJUGATE OF X(1176) (0.5483, 0.2901) X_3520 = EULER LINE INTERCEPT OF LINE X(54)X(74) (0.5693, 0.2833) A B C X4 X1594 X2 X3 X54 X74 X39 X112 X93 X930 X99 X1235 X3520 (a, b, c) = (5, 6, 7) | AB = 1

X3520 (EULER LINE INTERCEPT OF LINE X54X_74) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

Constructed Elements

Trilinears: \(4 \cos A + \sec A : :\)
Search Value (6, 9, 13): \(13.703857431136\)
▸ Linear Combinations1 combination
  • X3520 = \((a^{2} - b^{2} - c^{2})(a^{2} + b^{2} - c^{2})(a^{2} - b^{2} + c^{2})\) X3 - \(a^{2}b^{2}c^{2}\) X4

▸ Incident Central Lines13 lines

{2, 3}, {35, 1870}, {39, 112}, {49, 3043}, {54, 74}, {64, 3431}, {93, 930}, {99, 1235}, {184, 3357}, {567, 1986}, {574, 1968}, {578, 1199}, {1970, 3269}

▸ Functional Relations6 relations

Notes

As a point on the Euler line, X3520 has Shinagawa coefficients \((4F, E - 4F)\).