X3980¶
X612com(1st BROCARD TRIANGLE)
X3980 (X612com(1st BROCARD TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {10, 46}, {75, 171}
Related Centers: X10 (SPIEKER CENTER), X46 (-CEVA CONJUGATE OF X1), X75 (ISOTOMIC CONJUGATE OF INCENTER), X171 ({X)
Barycentrics: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = a^{3} + b^{2}c + bc^{2} + 2abc\)
Search Value (6, 9, 13): \(2.707260077504\)