Congruent parallel faces {base, prism} and congruent parallelograms {lateral face}, joining corresponding base vertices, can make solids {prism}|. Lateral faces can be rectangles {right prism}. Prisms have adjacent lateral faces {prismatic surface}.
Polyhedrons {prismatoid} can have two faces that are parallel planes, with no vertices outside the faces. Lateral faces are triangles or quadrilaterals.
Prisms {prismoid} can have quadrilaterals for all lateral faces. Bases have same number of sides and vertices.
Prismatoids {pyramid} can have polygon bases, which contain all vertices except apex. Lateral faces are triangles. For tetrahedrons, bases are triangles. In regular pyramids, regular polygons can be bases and isosceles triangles can be lateral faces.
3-Geometry-Solid-Polyhedron-Kinds
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Date Modified: 2022.0225