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) (see note above X(1286))
X(1290) lies on these lines:
23,105 30,104 36,759 74,517 99,693 100,523 101,661 110,513 186,915 354,840X(1290) = reflection of X(1325) in X(36)
X(1290) = cevapoint of X(36) and X(513)