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.
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) = (1 - cos A)u(a,b,c), where u : v : w = X(5)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1393) lies on these lines:
1,1389 2,201 11,774 12,38 31,1454 46,602 56,244 65,1193 73,942 225,1210 227,354 278,1148 388,982 595,1421X(1393) = crosspoint of X(57) and X(273)
X(1393) = crosssum of X(9) and X(212)