Dove prism inverts the orientation of an image, so they are also called image rotation or reversion prisms. They are shaped like right angled prisms with the right angle truncated. When such a prism ...
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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