X1328¶
ARCTAN(-3) KIEPERT POINT
The construction of X1328 is like that of X1327, but using internally positioned squares. See the reference
X1328 (ARCTAN(-3) KIEPERT POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
Constructed Elements
Central Lines: {30, 486}, {381, 485}
Related Centers: X30 (EULER INFINITY POINT), X486 (INNER VECTEN POINT), X381 (MIDPOINT OF X2 AND X4), X485 (VECTEN POINT)
Trilinears: \(1/(\sin A - 3 \cos A) : :\)
Barycentrics: \(1/(3 S_{A} - S) : :\)
Search Value (6, 9, 13): \(9.986274208728\)
Functional Relations3 relations
X1328 = isogonal conjugate of X6396
X1328 = perspector of ABC and 3rd anti-tri-squares triangle
Notes¶
at X1321.