Počet průsečíků úhlopříček v konvexním $n$-úhelníku
Rozhledy matematicko-fyzikální, Tome 88 (2013) no. 1, pp. 31-34
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In this article the diagonals of convex $n$-gon are considered straight lines and the number of their intersection points is derived.
In this article the diagonals of convex $n$-gon are considered straight lines and the number of their intersection points is derived.