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 ...
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The Great Pyramid of Giza actually has more than four sides
The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The ...
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