



 
Hi Christa, The definition of a prism is a geometric solid with two bases that are congruent, parallel polygons and all other faces are parallelograms. It is referred to as a right prism if the faces are rectangles. A prisms is named according to the shape of its bases. e.g. triangular prism Hence every prism has parallel polygonal bases and faces that are parallelograms. Penny  


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