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) = (b + c - a)(a2 - 2b2 - 2c2 + 4bc - ab - ac)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(2098) lies on these lines:
1,3 8,11 21,1392 33,1828 145,497 219,1731 499,1387 519,1837 944,1317 952,1479 1000,1389 1108,1732X(2098) = reflection of X(I) in X(J) for these I,J 8,1329 56,1
X(2098) = crosssum of X(1) and X(1420)