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) = a2 - bc - ca - ab (M. Iliev, 5/13/07)
X(1621) lies on these lines:
1,21 2,11 3,962 7,1617 8,405 9,1174 22,1486 35,404 36,551 37,82 42,238 43,748 99,873 145,958 171,902 213,1206 226,1005 278,1013 329,954 411,946 517,1006 739,932 985,1255X(1621) = X(I)-Ceva conjugate of X(J) for these (I,J): (1252,100), (1509,6)
X(1621) = crosspoint of X(99) and X(765)
X(1621) = crosssum of (244,512)