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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 what? Prism, pyramid or something else?
7
Nine.
Ah, a heptagonal pyramid is a beautiful shape with seven sides, just like a happy little rainbow. It has one vertex at the top, where all the edges meet in harmony. So, in total, a heptagonal pyramid has 8 vertices, each one adding to the unique charm of this geometric wonder.
Heptagonal is an adjective: the answer depends on the noun that it refers to. A heptagonal pyramid, a heptagonal dipyramid or a heptagonal prism or some other heptagonal shape?
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.
there is 13 edges in a heptagonal pyramid.
A regular octahedron and a heptagonal pyramid.A regular octahedron and a heptagonal pyramid.A regular octahedron and a heptagonal pyramid.A regular octahedron and a heptagonal pyramid.
a heptagonal pyramid has 8 faces
A heptagonal prism has two 7-sided bases.
A heptagonal what? Prism, pyramid or something else?
hexagonal pyramid
Yes.
A heptagonal based pyramid has: 8 faces 8 vertices & 14 edges
A Heptagonal Prism
21