The point of concurrence of the four maltitudes of a cyclic quadrilateral. Let and be the midpoints of the diagonals of a cyclic quadrilateral , and let be the intersection of the diagonals. Then the orthocenter of triangle is the anticenter of (Honsberger 1995, p. 39).
Anticenter
See also
Cyclic Quadrilateral, MaltitudeExplore with Wolfram|Alpha
References
Honsberger, R. Episodes in Nineteenth and Twentieth Century Euclidean Geometry. Washington, DC: Math. Assoc. Amer., pp. 36-37, 1995.Referenced on Wolfram|Alpha
AnticenterCite this as:
Weisstein, Eric W. "Anticenter." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Anticenter.html