A six faced 3d shape is called a cube.
It is called a trihedron. It does not exist.
It is called a nonagon and/or an enneagon. They belong to the greater family of polygons.
Either a nonagon or an enneagon. Whichever floats your boat.
Any six-sided shape is a hexagon.
nonagon A nonagon is a nine faced shape.
A six faced 3d shape is called a cube.
A 2d nine sided shape is called a nonagon.
A hendecahedron.
A twelve sided shape is called a "dodecahedron" :D
A nine sided shape is called a nonagon.
A pyramid.
Decahedreon
It is a nonahedron.
It is called a Nonagon
An 8-faced 3D shape is called an octahedron. It is a polyhedron with eight triangular faces, 12 edges, and six vertices.
It is called a trihedron. It does not exist.