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Covering bisected triangles with semi-circumdisc

Source: Sharygin Finals 2017, Problem 8.6

August 4, 2017
geometrycoveringmediancircumcircle

Problem Statement

A median of an acute-angled triangle dissects it into two triangles. Prove that each of them can be covered by a semidisc congruent to a half of the circumdisc of the initial triangle.