pentagon
The hendecahedra has 5 verticals, 8 edges, and 5 faces.
A hexagon has ten distinct diagonals.
Either no verticals or two verticals and two horizontals.
Verticals are corners so in a two dimensional a square has 4 verticals
A circle or a sphere has no verticals because it has a smooth surface.
pentagon
The hendecahedra has 5 verticals, 8 edges, and 5 faces.
A hexagon has ten distinct diagonals.
Either no verticals or two verticals and two horizontals.
Verticals are corners so in a two dimensional a square has 4 verticals
All quadrilaterals have 4 sides and 4 vertices such as a square for example.
An octahedron can have any number from 6 to 12 vertices.
pyramid
A tetrahedron need not have any verticals.
cylindrical.a 2D shape that's roundIn the shape of a circle - round
3 angles 3 verticals