A triangular prismoid.
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A pyramid with a quadrilateral base.
A pyramid with an n-sided base will have n + 1 vertices, n + 1 faces, and 2n edges.
An octagon based prism.
A pyramid with an n-sided base will have n + 1 vertices, n + 1 faces, and 2n edges. 6 faces, 10 edges, 6 vertices
A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges. 5 faces, 9 edges, 6 vertices