X1056¶
POINT ALCYONE
X1056 (POINT ALCYONE) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {1, 4}, {30, 390}
Related Centers: X1057 (ISOGONAL CONJUGATE OF X1056), X1 (INCENTER), X4 (ORTHOCENTER), X30 (EULER INFINITY POINT), X390 (REFLECTION OF GERGONNE POINT IN INCENTER)
Trilinears: \(f(A,B,C) : f(B,C,A) : f(C,A,B)\), where \(f(A,B,C) = 2 + \cos B \cos C\)
Barycentrics: \(g(A,B,C) : g(B,C,A) : g(C,A,B)\), where \(g(A,B,C) = (\sin A) f(A,B,C)\)
Search Value (6, 9, 13): \(1.293169538008\)
Incident Central Lines13 lines
Functional Relations2 relations
X1056 = isogonal conjugate of X1057
X1056 = mixtilinear-excentral-to-mixtilinear-incentral similarity image of X4