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A triangular prism is a prism composed of two triangular bases and three rectangular sides. It is a pentahedron. It is implemented in the Wolfram Language as PolyhedronData["TriangularPrism"].
The triangular prism has nine distinct nets, as illustrated above.
The regular right triangular prism of unit edge length has surface area and volume
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The regular right triangular prism is a space-filling polyhedron.