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Channel Posts
Repost from Околошкольная математика | Борис Трушин
Немного красивой математики )
Все знают многогранник, у которого каждые две грани имеют общее ребро — тетраэдр. Но не все знают, что есть и другой такой многогранник
Называется "многогранник Силаши" (Szilassi), он имеет 7 шестиугольных граней. Существуют ли еще многогранники с таким свойством — неизвестно
Тетраэдр возникает из вложения графа K4 в сферу. Многогранник Силаши — из вложения графа K7 в тор
В математическом парке Майкопа даже установлена скульптура такой формы
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