## X(2093) (REFLECTION OF X(1) IN 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) = a3 + 3(b + c)a2 - (b + c)2a - 3(b + c)(b - c)2
Barycentrics    af(a,b,c) : bf(b,c,a) : cf(c,a,b)

X(2093) lies on these lines:
1,3    10,329    19,1743    72,1706    196,1785    200,758    515,2096    518,2097    519,2094    527,1478    553,1056    946,1788    962,1210    1046,1719    1103,1254    1699,1737

X(2093) = reflection of X(I) in X(J) for these I,J: 1,57    329,10

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