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: 51

IV Soros Olympiad 1997 - 98 (Russia), 9.10
On the plane there is an image of a circle with a marked center. Let an arbitrary angle be drawn on this plane. Using one ruler, construct the bisector of this angle.
ruler geometry geometric construction angle bisector geometric constructions