It is a 3 dimensional [solid] object. With the amount of information given in the question it is not possible to be any more precise.
six faces
A solid with four faces for maths is a tetrahedron.
were two or more faces of a solid figure
Polygonal faces.
The regular solid, with 20 identical equilateral triangular faces, is called an icosahedron.
'Enneahedron' - a solid figure with nine faces
six faces
A solid figure with twenty faces is called an Icosahedron.
A solid with four faces for maths is a tetrahedron.
were two or more faces of a solid figure
Since a cube has 6 faces, you would be looking for a solid shape with only 2 faces and no such solid exists.
Polygonal faces.
A solid with six congruent square faces is a cube.
There is no faces because it is not flat.
6 faces
Many solid shapes could have 6 faces, but the most common such shape, with 6 equal faces, is the cube.
The regular solid, with 20 identical equilateral triangular faces, is called an icosahedron.