Math CentralQuandaries & Queries


Question from Samad, a student:

How many faces does a rectangular prism have?


Look at the definition of a prism in our glossary. The diagram there is a triangular prism. It has five faces, you can count them. Draw a diagram of a rectangular prism and count the faces. Can you see how to determine the number of faces just based on the number of edges of the polygonal base without drawing a diagram?


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