X1914

CROSSDIFFERENCE OF PU(10)

X1914 = intersection of trilinear polars of P(9) and U(9)
< 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) { 1, 32 }: Central Line L(1, 32) { 6, 31 }: Central Line L(6, 31) { 35, 39 }: Central Line L(35, 39) { 37, 82 }: Central Line L(37, 82) { 36, 187 }: Central Line L(36, 187) { 11, 230 }: Central Line L(11, 230) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_335 = ISOTOMIC CONJUGATE OF X(239) (1.0387, 0.0318) X_1 = INCENTER (0.5714, 0.2333) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_82 = ISOGONAL CONJUGATE OF X(38) (0.5943, 0.2703) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_1914 = CROSSDIFFERENCE OF PU(10) (1.1181, 1.0304) A B C X335 X1 X32 X6 X31 X35 X39 X37 X82 X36 X187 X11 X230 X1914 (a, b, c) = (5, 6, 7) | AB = 1

X1914 (CROSSDIFFERENCE OF PU(10)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

Constructed Elements

Trilinears: \(1 - a^{2}/(bc) : :\)
Search Value (6, 9, 13): \(-1.372253800065\)
▸ Alternate Coordinates1 form
  • Trilinears: \(a^{3} - abc : :\)

▸ Incident Central Lines29 lines

{1, 32}, {6, 31}, {9, 983}, {11, 230}, {21, 1107}, {35, 39}, {36, 187}, {37, 82}, {44, 765}, {48, 1613}, {81, 593}, {100, 1575}, {105, 910}, {112, 1870}, {213, 595}, {284, 893}, {292, 1438}, {350, 385}, {577, 1040}, {584, 1185}, {604, 1403}, {649, 834}, {727, 813}, {739, 901}, {741, 1326}, {999, 1384}, {1055, 1149}, {1319, 1415}, {1428, 1691}

▸ Functional Relations13 relations

Notes

X1914 is the perspector of triangle ABC and the tangential triangle of the conic that passes through A, B, C, and the pair P(9) and U(9) of bicentric points (see the notes just before X1908. (Randy Hutson, 9/23/2011)