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Приближение числа Пи Вряд ли Архимед приближал число Пи таким образом, он не переходил от правильного пятиугольника к шестиугольнику, а начал с правильного шестиугольника и удвоил количество сторон.
((Information |Description=Archimedes' Pi aproximation |Source=own work |Date=2006-10-06 |Author=Leszek Krupinski |Permission=GFDL and CC-BY-SA-2.5 |other_versions= ))
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