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yahoo.com > news > science > articles > just-five-perfect-shapes-math-180000249.html

There are just five perfect shapes in math—here's why

5+ day, 11+ hour ago   (592+ words) Admittedly, their names offer no special aesthetic appeal. But their forms are unique. Platonic solids are polyhedrons with the highest possible symmetry. Each of their faces is bounded by the same number of edges, and the same number of faces…...