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The Steiner Circumellipse

Topic:
Geometry
The circumconic with the centroid G as the center is known as the Steiner circumellipse. The ellipse intersects the circumcircle at the three vertices and a fourth point known as the Steiner point. The angle bisector of the angle formed by the Steiner point, the centroid, and the symmedian point is the minor axis of the ellipse.