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Wittenbauer's Parallelogram

\begin{figure}\begin{center}\BoxedEPSF{Wittenbauers_Parallelogram.epsf scaled 800}\end{center}\end{figure}

Divide the sides of a Quadrilateral into three equal parts. The figure formed by connecting and extending adjacent points on either side of a Vertex is a Parallelogram known as Wittenbauer's parallelogram.

See also Quadrilateral, Wittenbauer's Theorem

© 1996-9 Eric W. Weisstein