IMO Shortlist 1972 problem 10
Dodao/la:
arhiva2. travnja 2012. Given

, prove that every cyclic quadrilateral can be dissected into

cyclic quadrilaterals.
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Given $n>4$, prove that every cyclic quadrilateral can be dissected into $n$ cyclic quadrilaterals.
Izvor: Međunarodna matematička olimpijada, shortlist 1972