HJB --- GMA --- UFF


Click here to access the list of all triangle centers.

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 Run Macro Tool, select the center name from the list and, then, click on the vertices A, B and C successively.

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Download all construction files and macros: (10.1 Mb).
This applet was built with the free and multiplatform dynamic geometry software C.a.R..

Information from Kimberling's Encyclopedia of Triangle Centers

Trilinears            a/f(a,b,c) : b/f(b,c,a) : c/f(c,a,b), where f(a,b,c) is as in X(348)
Barycentrics    a2/f(a,b,c) : b2/f(b,c,a): c2/f(c,a,b)

X(2212) lies on these lines:
4,238    6,2356    9,33    19,2195    19,2195    24,601    25,31    41,2204    108,1423    171,459    213,1973    427,748    468,750    607,1253    1041,1445    1471,1876    1474,2279    1918,2207    2189,2311

X(2212) = X(I)-Ceva conjugate of X(J) for these I,J: 25,1973    33,41    2299,607
X(2212) = X(1918)-cross conjugate of X(2175)
X(2212) = crosspoint of X(I) and X(J) for these I,J: 25,607    2204,2299
X(2212) = crosssum of X(I) and X(J) for these I,J: 69,348    307,1231

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

If you have questions or suggestions, please, contact us using the e-mail presented here.

Departamento de Matemática Aplicada -- Instituto de Matemática -- Universidade Federal Fluminense

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