This website contains problems from math contests. Problems and corresponding tags were obtained from the Art of Problem Solving website.

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Found problems: 1

2022 IFYM, Sozopol, 6

Let $k$ be a fixed circle in a given plane and a point $C$ out of the plane. Let $A$ be a random point from $k$ and $B$ be its diametrically opposite one in $k$. Find the geometric place of the center of the circumscribed circle of $ABC$.