A heptahedron can have 6 to 10 vertices.
A heptahedron has seven faces, like a heptagon has seven sides.
7
A heptahedron has 7 faces, including 6 triangular faces and one hexagonal.
999,999,000
I regret that it is impossible to answer this question since there is no such object as a vertice pyramid.
8
one
None.
A heptahedron is one possible answer.A heptahedron is one possible answer.A heptahedron is one possible answer.A heptahedron is one possible answer.
one
4
Eight vertices.