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 described just before X(2883)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(2931) lies on these lines:
3,125 6,1511 22,74 23,146 24,110 25,113 26,1498 30,2935 68,1658 159,542 195,568 399,1495 912,2948
X(2931) = reflection of X(155) in X(110)
X(2931) = X(186)-Ceva conjugate of X(3)
X(2931) = inverse-in-circumcircle of X(131)