X465

EULER LINE INTERCEPT OF LINE X216X_395

< A B C >: Reference Triangle △ABC < M_a M_b M_c >: Medial Triangle △M_a M_b M_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 473 }: Euler Line { 2, 3 }: Euler Line { 216, 395 }: Central Line L(216, 395) { 396, 577 }: Central Line L(396, 577) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) M_a = Midpoint M_a of BC (0.8061, 0.2999) M_b = Midpoint M_b of CA (0.3061, 0.2999) M_c = Midpoint M_c of AB (0.5000, 0.0000) X_2 = CENTROID (0.5374, 0.2000) X_473 = -CROSS CONJUGATE OF X(302) (0.5981, 0.3587) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_216 = -CEVA CONJUGATE OF X(51) (0.5201, 0.1353) X_395 = MIDPOINT OF X(14) AND X(16) (1.3794, 1.1048) X_396 = MIDPOINT OF X(13) AND X(15) (0.5699, 0.2349) X_577 = HARMONIC OF X(216) (0.4663, 0.0464) X_465 = EULER LINE INTERCEPT OF LINE X(216)X(395) (0.5071, 0.1206) A B C Ma Mb Mc X2 X473 X3 X216 X395 X396 X577 X465 (a, b, c) = (5, 6, 7) | AB = 1

X465 (EULER LINE INTERCEPT OF LINE X216X_395) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

Constructed Elements

Trilinears: \(u \cot A : v \cot B : w \cot C\), where \(u : v : w\) = X397; e.g., \(u(A,B,C) = \cos(B - C) - 2 \cos(A + \pi /3)\)
Barycentrics: \(u \cos A : v \cos B : w \cos C\)
Search Value (6, 9, 13): \(0.344964461051\)
▸ Incident Central Lines3 lines

{2, 3}, {216, 395}, {396, 577}

▸ Functional Relations2 relations

Notes

As a point on the Euler line, X465 has Shinagawa coefficients \((2F + 3^{1/2}S, -3^{1/2}S)\).

X465 is the {X2,X3}-harmonic conjugate of X466.