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) = cos2B + cos2C
Barycentrics g(A,B,C) : g(B,C,A) : g(C,A,B), where g(A,B,C) = (sin A)f(A,B,C)
X(774) lies on these lines: 1,21 55,201 601,1060 602,1062 821,823 912,1066 938,986
X(774) = isogonal conjugate of X(775)
X(774) = crosspoint of X(1) and X(158)
X(774) = crosssum of X(I) and X(J) for these (I,J): (2,255), (31,610)