X(2136) (EIGENTRANSFORM OF X(57))

 Interactive Applet

You can move the points A, B and C (click on the point and drag it).
Press the keys “+” and “−” to zoom in or zoom out the visualization window and use the arrow keys to translate it.

You can also construct all centers related with this one (as described in ETC) using the “Run Macro Tool”. To do this, click on the icon , select the center name from the list and, then, click on the vertices A, B and C successively.

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This applet was built with the free and multiplatform dynamic geometry software C.a.R..

 Information from Kimberling's Encyclopedia of Triangle Centers

Trilinears           f(a,b,c) : f(b,c,a) : f(c,a,b), where f(a,b,c) = (b + c - a)[(a + b + c)2 - 8bc]       (M. Iliev, 5/13/07)

Barycentrics    af(a,b,c) : bf(b,c,a) : cf(c,a,b)

X(2136) lies on the cubic Z(X(57)) and these lines:
1,474    8,9    10,1058    40,376    43,1050    57,145    84,952    100,1420    188,258    517,1490    664,738

X(2136) = isogonal conjugate of X(2137)
X(2136) = X(145)-Ceva conjugate of X(1)
X(2136) = X(145)-aleph conjugate of X(2136)

This is a joint work of
Humberto José Bortolossi, Lis Ingrid Roque Lopes Custódio and Suely Machado Meireles Dias.