X2668¶
CROSSSUM OF PU(85)
X2668 (CROSSSUM OF PU(85)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {2, 6}, {42, 873}
Related Centers: X2 (CENTROID), X6 (SYMMEDIAN POINT), X42 (CROSSPOINT OF INCENTER AND SYMMEDIAN POINT), X873 (ISOGONAL CONJUGATE OF X872)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a^{2}bc/[(a + b)(a + c)] + [bc/(b + c)]^{2}\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(1.969787788421\)