Has this ever happened to you? You’re in line at the chowder buffet, dunking your big wooden ladel into a large vat of clam chowder, when you’re seized from behind, violently, and dragged to the ...
A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...