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(35)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1399) lies on these lines:
3,47 6,1195 12,171 31,56 34,1454 35,500 55,255 58,65 201,896 213,1415 580,1155 595,1319 920,1060 1333,1409 1402,1408