X533¶
DIRECTION OF VECTOR AX + BX + CX, where X = X18
X533 (DIRECTION OF VECTOR AX + BX + CX, where X = X18) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {2, 18}, {14, 299}
Related Centers: X2381 (CIR(X533)), X2 (CENTROID), X18 (2nd NAPOLEON POINT), X14 (2nd ISOGONIC CENTER), X299 (ISOTOMIC CONJUGATE OF 2nd ISOGONIC CENTER)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = (2ax - by - cz)/a\), \(x = x(A,B,C) = \csc(A - \pi /6)\), \(y = x(B,C,A)\), \(z = x(C,A,B)\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
X533 lies on the line at infinity.