Explain the terms of polyhedra and non polyhedra
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A polyhedron is a 3-dimensional figure that is formed by polygons that enclose a region in space. There are no gaps between the edges or vertices in a polyhedron. Examples of polyhedrons include a cube, prism, or pyramid. Non-polyhedrons are cones, spheres, and cylinders because they have sides that are not polygons.
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Polyhedron - A polyhedron is a 3-dimensional solid made by joining together polygons. The word 'polyhedron' comes from two Greek words, poly meaning many, and hedron referring to surface. The polyhedrons are defined by the number of faces it has. These faces are regular polygons. Also known as polyhedra
Non-polyhedron - Non-polyhedrons are cones, spheres, and cylinders because they have sides that are not polygons. A prism is a polyhedron with two congruent bases, in parallel planes, and the lateral sides are rectangles. Also known as no-polyhedra
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