A prism is a polyhedron - a 3-dimensional shape with polygonal faces. It has two identical and parallel polygonal faces that are "joined together" by rectangular faces.
A prism whose bases are n-sided polygons has
2n vertices, n+2 faces and 3n edges.
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by the shape of the object a prism is a 3d triangle
identify 3-dimensional shapes? cone,prism,,pyramid,cylinder,and sphere?
There's the rectangular prism, the triangular prism, hexagonal prism, pentagonal prism, the cube, and the octagonal prism.
A Triangular Prism A Rectangular Prism An Octogonal Prism (basically 3D Shapes)
a triangular prism has to triangular bases while a rectangular prism has a rectangle as the bases.