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) = (1/a + 1/b)(1/a + 1/c) - (1/b + 1/c)2
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(2664) lies on these lines:
1,2 9,1740 37,1045 86,872 87,1743 101,1580 171,213 190,2234 238,2110 274,1215 292,2238 660,1757 980,984 1376,2176X(2664) = isogonal conjugate of X(2665)