50 stupid
Seven. The lateral faces are usually all rectangular.
Heptagonal is an adjective, not a noun! The answer will depend on whether you mean a heptagonal pyramid, a heptagonal bipyramid, a heptagonal prism or whatever.
a heptagonal pyramid has 8 faces
8 faces
A heptagonal what? Prism, pyramid or something else?
Nine.
A heptagonal based pyramid has: 8 faces 8 vertices & 14 edges
eight(8)
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how many faces does a rectangular prism have how many faces does a rectangular prism have
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triangular pyramid