X3532

INTERSECTION OF LINES X(6,1204) AND X(64,1620)

Let DEF be the cevian triangle of X69 and A' the center of the circle that passes through D and through points where the line EF cuts to the circumcircle, and define B' and C' cyclically. The lines AA', BB', CC' concur in X3532. (Angel Montesdeoca, October 30, 2019)
< 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) { 72, 165 }: Central Line L(72, 165) { 68, 550 }: Central Line L(68, 550) { 4, 1192 }: Central Line L(4, 1192) { 6, 1204 }: Central Line L(6, 1204) { 378, 1173 }: Central Line L(378, 1173) { 74, 1498 }: Central Line L(74, 1498) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1151 = ISOGONAL CONJUGATE OF X(1131) (0.5483, 0.1819) X_1152 = ISOGONAL CONJUGATE OF X(1132) (-0.9520, -2.2961) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_165 = CENTROID OF THE EXCENTRAL TRIANGLE (0.4762, 0.0583) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_550 = MIDPOINT OF X(3) AND X(20) (0.4439, -0.0448) X_4 = ORTHOCENTER (0.6122, 0.3958) X_1192 = 2nd SARAGOSSA POINT OF X(64) (0.6404, 0.3340) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1204 = 3rd SARAGOSSA POINT OF X(64) (0.6497, 0.1923) X_378 = REFLECTION OF X(22) IN X(3) (0.5857, 0.3262) X_1173 = 1st SARAGOSSA POINT OF X(54) (0.6043, 0.2952) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_1498 = REFLECTION OF X(64) IN X(3) (0.4421, -1.3902) X_3532 = INTERSECTION OF LINES X(6,1204) AND X(64,1620) (0.8270, -0.0750) A B C X1151 X1152 X72 X165 X68 X550 X4 X1192 X6 X1204 X378 X1173 X74 X1498 X3532 (a, b, c) = (5, 6, 7) | AB = 1

X3532 (INTERSECTION OF LINES X(6,1204) AND X(64,1620)) 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 \(f(A,B,C) = 1/(4 \cos A - 3 \sin B \sin C)\)
Barycentrics: \((\sin A)f(A,B,C) : (\sin B)f(B,C,A) : (\sin C)f(C,A,B)\)
Search Value (6, 9, 13): \(10.066330179103\)

X3532 lies on the Jerabek hyperbola.

▸ Incident Central Lines11 lines

{4, 1192}, {6, 1204}, {64, 1620}, {68, 550}, {71, 3207}, {72, 165}, {74, 1498}, {265, 1657}, {378, 1173}, {1181, 3431}, {3357, 3426}

▸ Functional Relations5 relations