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/(cos2A - cos B cos C)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1937) lies on these lines:
1,185 4,774 8,201 21,73 80,1736 90,1745 104,1458 108,1172 225,1896 307,314 515,1694 851,1758 885,1769X(1937) = isogonal conjugate of X(1936)
X(1937) = cevapoint of X(I) and X(J) for these (I,J): (1,1758), (243,1940)