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) = a(b4 + c4 + b2c2 - a2b2 - a2c2)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(2979) lies on these lines: 2,51 3,54 4,1216 6,1627 22,110 52,631 66,69 182,1994 184,323 343,858 476,2706 549,568 805,2857 930,1298 991,1779 1160,1584 1161,1583 1501,2076 2888,2889
X(2979) = reflection of X(568) in X(549)
X(2979) = isogonal conjugate of X(2980)
X(2979) = anticomplement of X(51)
X(2979) = crosspoint of X(249) and X(670)
X(2979) = crosssum of X(115) and X(669)