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(984)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1469) lies on these lines:
1,256 3,611 6,41 7,8 12,141 36,182 42,1403 43,57 51,614 55,1350 109,753 193,330 222,1460 613,999 751,1319 970,888