X3611

2nd AYME-MOSES PERSPECTOR

In a Hyacinthos message dated January 7, 2011, Jean-Louis Ayme noted that the orthic triangle of ABC is perspective to the medial triangle of the extangents triangle of ABC. Peter Moses found coordinates for the perspector, X3611.
< 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) { 19, 51 }: Central Line L(19, 51) { 40, 185 }: Central Line L(40, 185) { 55, 184 }: Central Line L(55, 184) { 65, 225 }: Central Line L(65, 225) { 71, 228 }: Central Line L(71, 228) { 42, 1409 }: Central Line L(42, 1409) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_19 = CLAWSON POINT (0.6246, 0.4244) X_51 = CENTROID OF ORTHIC TRIANGLE (0.6093, 0.3186) X_40 = BEVAN POINT (0.4286, -0.0292) X_185 = NAGEL POINT OF THE ORTHIC TRIANGLE (0.6033, 0.1643) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_225 = -CEVA CONJUGATE OF X(65) (0.6246, 0.4451) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_228 = -CEVA CONJUGATE OF X(71) (0.5231, 0.1126) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_1409 = -BETH CONJUGATE OF X(71) (0.5848, 0.1701) X_3611 = 2nd AYME-MOSES PERSPECTOR (0.5837, 0.1426) A B C X19 X51 X40 X185 X55 X184 X65 X225 X71 X228 X42 X1409 X3611 (a, b, c) = (5, 6, 7) | AB = 1

X3611 (2nd AYME-MOSES PERSPECTOR) 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 \(f(a,b,c) = a(b + c) (b^{2} + c^{2} - a^{2})[a^{3}(b + c) + (b - c)^{2}(b^{2} + c^{2} - a^{2} - ab - ac + 2bc)]\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(11.445727974451\)
▸ Incident Central Lines10 lines

{19, 51}, {25, 3197}, {40, 185}, {42, 1409}, {55, 184}, {65, 225}, {71, 228}, {209, 3198}, {511, 3101}, {1899, 2550}