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 1/f(a,b,c) : 1/f(b,c,a) : 1/f(c,a,b), where f(a,b,c) is as at X(2697)
Barycentrics a/f(a,b,c) : b/f(b,c,a) : c/f(c,a,b)
X(2781) lies on these lines:
3,1177 4,67 6,74 22,110 30,511 51,125 64,895 66,265 69,146 113,127 159,399 185,1205 206,1511 1498,2930X(2781) = isogonal conjugate of X(2697)
X(2781) = crosspoint of X(4) and X(842)
X(2781) = crosssum of X(3) and X(542)