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) = - (cos A)/x + (cos B)/y + (cos C)/z, x : y : z = X(947)
Barycentrics af(a,b,c) : bf(b,c,a) : cf(c,a,b)
X(1771) lies on these lines:
1,3 4,109 10,255 31,1210 515,603 516,1076 580,1788 601,950 920,1736 1399,1837 1707,1728 1720,1721 1770,1785