X1409

X71-BETH CONJUGATE OF X71

< 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) { 6, 19 }: Central Line L(6, 19) { 63, 77 }: Central Line L(63, 77) { 71, 73 }: Central Line L(71, 73) { 31, 184 }: Central Line L(31, 184) { 109, 284 }: Central Line L(109, 284) { 48, 577 }: Central Line L(48, 577) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_19 = CLAWSON POINT (0.6246, 0.4244) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_77 = ISOGONAL CONJUGATE OF X(33) (0.5270, 0.1305) X_73 = CROSSPOINT OF INCENTER AND CIRCUMCENTER (0.5487, 0.1428) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_284 = -CROSS CONJUGATE OF X(21) (0.5646, 0.2088) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_577 = HARMONIC OF X(216) (0.4663, 0.0464) X_1409 = -BETH CONJUGATE OF X(71) (0.5848, 0.1701) A B C X71 X6 X19 X63 X77 X73 X31 X184 X109 X284 X48 X577 X1409 (a, b, c) = (5, 6, 7) | AB = 1

X1409 (X71-BETH CONJUGATE OF X71) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

Constructed Elements

Trilinears: \(a(\sec B + \sec C) : :\)
Search Value (6, 9, 13): \(-0.806655598856\)
▸ Alternate Coordinates1 form
  • Trilinears: \((\sin 2A)(\cos B + \cos C) : :\)

▸ Incident Central Lines11 lines

{6, 19}, {31, 184}, {48, 577}, {63, 77}, {71, 73}, {109, 284}, {213, 1042}, {217, 1404}, {287, 651}, {800, 1195}, {1333, 1399}

▸ Functional Relations13 relations

Notes

Let V = isotomic conjugate of polar conjugate of line X1X3 and W = polar conjugate of isotomic conjugate of line X1X3; then X1409 = V∩W. (Randy Hutson, December 26, 2015)