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A prism with an n-sided base will have 2n vertices, n + 2 faces, and 3n edges. 7 faces
35
faces= seven edges=fifteen vertices=ten
A heptagonal prism is a prism with a heptagon (7-sided polygon) as its base. It has 14 faces (2 heptagons and 12 rectangles), 20 vertices (2 at each corner of the heptagon and 2 at each corner of the rectangles), and 28 edges (7 edges on each heptagon base and 12 edges around the sides connecting the corresponding vertices of the base and top heptagon).
volume prism = area base × height = 32 cm² × 7 cm = 224 cm³