An octagon has 8 vertices.
Three.
Heptahedra can have between 6 and 10 vertices.
A cube has eight (8) vertices (corners).
8
courners, intersects
An octagon has 8 sides.
An octagon has 8 vertices.
An octagon has 8 edges
An octagon has eight sides.
there are three rhombuses in an octagon.
An Octagon has 8 sides
An octagon has 8 angles.An octagon has 8 angles.An octagon has 8 angles.An octagon has 8 angles.