X2553

EXSIMILICENTER(ORTHOCENTROIDAL CIRCLE, (X4,2R))

The circle (X4,2R) is identified at X2474.
< 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 { 388, 2463 }: Central Line L(388, 2463) { 497, 2464 }: Central Line L(497, 2464) { 1587, 2465 }: Central Line L(1587, 2465) { 1588, 2466 }: Central Line L(1588, 2466) { 2469, 2542 }: Central Line L(2469, 2542) 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_388 = ∩X(7)X(8) (0.5790, 0.2635) X_2463 = INSIMILICENTER(ORTHOCENTROIDAL CIRCLE, INCIRCLE) (0.5738, 0.2778) X_497 = CROSSPOINT OF GERGONNE POINT AND NAGEL POINT (0.5593, 0.1851) X_2464 = EXSIMILICENTER(ORTHOCENTROIDAL CIRCLE, INCIRCLE) (0.5776, 0.3505) X_1587 = POINT CASTOR I (0.6026, 0.2943) X_2465 = INSIMILICENTER(ORTHOCENTROIDAL CIRCLE, 2nd LEMOINE CIRCLE) (0.5818, 0.2893) X_1588 = POINT CASTOR II (0.5955, 0.2203) X_2466 = EXSIMILICENTER(ORTHOCENTROIDAL CIRCLE, 2nd LEMOINE CIRCLE) (0.5591, 0.3170) X_2469 = INSIMILICENTER(ORTHOCENTROIDALCIRCLE, BROCARD CIRCLE) (0.5619, 0.2389) X_2542 = INSIMILICENTER(BROCARD CIRCLE, (X(4),2R)) (0.5554, 0.2029) X_2553 = EXSIMILICENTER(ORTHOCENTROIDAL CIRCLE, (X(4),2R)) (0.5705, 0.2867) A B C X2 X3 X4 X388 X2463 X497 X2464 X1587 X2465 X1588 X2466 X2469 X2542 X2553 (a, b, c) = (5, 6, 7) | AB = 1

X2553 (EXSIMILICENTER(ORTHOCENTROIDAL CIRCLE, (X4,2R))) 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 \(f(A,B,C) = \cos A + (4 - J) \cos B \cos C\), J as at X1113
Barycentrics: \((\sin A)f(A,B,C) : (\sin B)f(B,C,A) : (\sin C)f(C,A,B)\)
Search Value (6, 9, 13): \(0.475007060381\)
▸ Incident Central Lines11 lines

{2, 3}, {388, 2463}, {497, 2464}, {1587, 2465}, {1588, 2466}, {2467, 2550}, {2468, 2551}, {2469, 2542}, {2470, 2543}, {2471, 2546}, {2472, 2547}

Notes

As a point on the Euler line, X2553 has Shinagawa coefficients \((1, -J + 3)\).