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) = cos B cos C + sin(A + ω)
Barycentrics (sin A)f(A,B,C) : (sin B)f(B,C,A) : (sin C)f(C,A,B)The circle (X(4),2R) is identified at X(2474).
X(2544) lies on these lines:
2,1689 4,39 10,2018 20,1690 371,2547 372,2546 388,2008 497,2007 516,2017 1587,1670 1588,1671 2011,2543 2012,2542 2013,2551 2014,2550