A ________ is solid bounded only by plane surfaces (faces).(a) square(b) rectangle(c) regular polyhedron(d) triangleI had been asked this question in an internship interview.I want to ask this question from Projections of Solids topic in section Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing

A ________ is solid bounded only by plane surfaces (faces).(a) square(

1.	A ________ is solid bounded only by plane surfaces (faces).(a) square(b) rectangle(c) regular polyhedron(d) triangleI had been asked this question in an internship interview.I want to ask this question from Projections of Solids topic in section Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing
Answer» Correct answer is (c) regular polyhedron Explanation: In geometry, a polyhedron (plural polyhedra or polyhedrons) is a solid in 3 DIMENSIONS with flat polygonal faces, straight edges and sharp corners or vertices. The WORD polyhedron comes from the Classical Greek. A convex polyhedron is the convex hull of FINITELY many points, not all on the same plane. CUBES and pyramids are examples of convex polyhedra. A polyhedron is a 3-dimensional example of the more general polytope in any number of dimensions.

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