X3556¶
INTERSECTION OF LINES X25X_65 AND X31X_56
X3556 (INTERSECTION OF LINES X25X_65 AND X31X_56) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {31, 56}, {25, 65}
Related Centers: X63 (ISOGONAL CONJUGATE OF X19), X6 (SYMMEDIAN POINT), X31 (2nd POWER POINT), X56 (EXSIMILICENTER), X25 (HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES), X65 (ORTHOCENTER OF THE INTOUCH TRIANGLE)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a(-aS_{B}S_{C} + bS_{C}S_{A} + cS_{A}S_{B})\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(-2.083711635565\)
Incident Central Lines21 lines
Functional Relations8 relations
X3556 = isogonal conjugate of X7219
X3556 = crosssum of Xi and Xj for these (i,j): (123, 522), (513, 2968)
X3556 = polar conjugate of isotomic conjugate of X22119
X3556 = crosspoint of X109 and X15385
X3556 = X65-of-the-excentral-triangle-of-the-tangential-triangle