Nikolaos Dergiades, Constructions with inscribed ellipses in a triangle,
Forum Geometricorum, 10 (2010) 141--148.

Abstract.  We give a simple construction of the axes and foci of an inscribed ellipse with prescribed  center, and as an application, a simple solution of the problem of  construction of a triangle with prescribed  circumcevian triangle of  the centroid.

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