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 tan2A/2 : tan2B/2 : tan2C/2
= [a2 - (b - c)2]2 : [b2 - (c - a)2]2 : [c2 - (a - b)2]2 Barycentrics sin A tan2A/2 : sin B tan2B/2 : sin C tan2C/2
X(269) lies on these lines: 1,7 3,939 6,57 9,241 46,1103 56,738 69,200 86,1088 106,934 142,948 273,1111 292,1020 307,936 320,326 479,614
X(269) = isogonal conjugate of X(200)
X(269) = isotomic conjugate of X(341)
X(269) = X(279)-Ceva conjugate of X(57)
X(269) = X(56)-cross conjugate of X(57)
X(269) = crosspoint of X(279) and X(479)
X(269) = crosssum of X(220) and X(480)