10
number of faces +2 gives you the number of edges
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A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges. 8, 12, 18
rectangular prisom
yes it is however a rectangler prisom is 3d
12 Edges is how many edges a rectangular prismhas
24 edges.24 edges.24 edges.24 edges.