Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2024-part-02 — 168 problems (EN–VI) Question 90

Math Olympiad Vault · MathNet 2024-part-02 — 168 problems (EN–VI)

Question 90

Let $k$ be a strictly positive integer and $P$ a point of the plane. Determine the smallest integer $n$ with the following property: one can draw $n$ lines not passing through $P$ so that every ray with origin the point $P$ meets at least $k$ lines.