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) is as given just before X(2979), using U = X(104)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(2990) lies on these lines:
1,1331 2,1332 28,110 57,1813 278,651 394,1086 908,2006 1022,1797X(2990) = cevapoint of X(I) and X(J) for these I,J: 1,2323 6,517
X(2990) = X(I)-cross conjugate of X(J) for these I,J: 654,100 2423,901