A 3-d shape is a body that exists in three dimensions (often called height, length, width).
The faces are the planar polygonal surfaces that delimit the body.
Planar (existing in a plane, that means flat)
Polygonal (having several edges, such as square, triangle, etc.)
A cube is a 3D shape, the surface is six squares.
cylinder
cylinder
There are an infinite number of 3d shapes with more than 20 faces.
A tetrahedron (4 faces) and an icosahedron (20).
dodecahedron
3d shapes with six faces are called hexahedra.
cylinder
There are infinitely many shapes that do.
Hexagonal prism has percandicular faces
ur maw
cylinder
A cube has 6 faces
There are an infinite number of 3d shapes with more than 20 faces.
A tetrahedron (4 faces) and an icosahedron (20).
Polyhedra (singular = polyhedron).
dodecahedron
PYRAMID