It could be a triangular prism or a quadrilateral based pyramid.
It is a nonahedron.
It is important to learn and remember the name of 3D shapes. A 19 faced 3d shape is called a nonadecahedron.
A cube or a cuboid
A cube, or cuboid.
Decahedron.Decahedron.Decahedron.Decahedron.
tetrahedron is a 4 faced 3d shape.
icosahedron
Its a 17 faced 3d shape
A six faced 3d shape is called a cube.
An 8-faced 3D shape is called an octahedron. It is a polyhedron with eight triangular faces, 12 edges, and six vertices.
Decahedreon
A Triangular Prism
It is a nonahedron.
It is important to learn and remember the name of 3D shapes. A 19 faced 3d shape is called a nonadecahedron.
Dodecahedron.
It is called a trihedron. It does not exist.
A cube, or cuboid.