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9. Novembre 2004, 21:07:20

txaggie

ses messages postés | lien

I think Magic is right. A heptagon has 14 unique diagonals (4 from each point, but connecting two points so only count once). By Fencer's formula, 14*2 + 4 = 32. Apparently, Hrqls got it right, too. Happy Birthday, Filip.