X2108¶
POINT KEPLER I
X2108 = perspector of 2nd Sharygin triangle and unary cofactor triangle of 1st Sharygin triangle
X2108 (POINT KEPLER I) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {1, 39}, {31, 43}
Related Centers: X1 (INCENTER), X39 (BROCARD MIDPOINT), X31 (2nd POWER POINT), X43 (-CEVA CONJUGATE OF X1)
Trilinears: \(f(a,b,c) : f(b,c,a) : f(c,a,b)\), where \(f(a,b,c) = (b + c)a^{3} - (b^{2} - bc + c^{2})a^{2} - (b + c)(b^{2} + c^{2})a + bc(b^{2} + bc + c^{2})\)
Barycentrics: \(af(a,b,c) : bf(b,c,a) : cf(c,a,b)\)
Search Value (6, 9, 13): \(5.319073774755\)