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Another construction of symedian using only ruler

Source: Oral Moscow Geometry Olympiad 2024, 10-11.4

September 3, 2024
geometry

Problem Statement

Straight lines are drawn containing the sides of an unequal triangle ABCABC, its incircle II circle and a its circumcircle, the center of which is not marked. Using only a ruler (without divisions), construct the symedian of the triangle (a straight line symmetrical to the median relative to the corresponding bisector), drawing no more than six lines.