PUMaC 2024 · 团队赛 · 第 7 题

PUMaC 2024 — Team Round — Problem 7

Consider a regular 24-gon P . A quadrilateral is said to be inscribed in P if its vertices are among those of P . We consider two inscribed quadrilaterals equivalent if one can be obtained from the other via a rotation about the center of P . How many distinct (i.e. not equivalent) quadrilaterals can be inscribed in P ?

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