X1913¶
MIDPOINT OF PU(9)
X1913 is the midpoint of pu(9).
X1913 (MIDPOINT OF PU(9)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {213, 667}
Related Centers: X213 (-CEVA CONJUGATE OF X42), X667 (CROSSDIFFERENCE OF X2 AND X37)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a^{2}[2a^{3}bc + ab^{4} + ac^{4} + b^{2}c^{2}(b + c)]\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(0.722504702457\)