6 faces
Many solid shapes could have 6 faces, but the most common such shape, with 6 equal faces, is the cube.
Cube
its a hexagon that has 6 faces
cube
6
A cube
6
No.
A cuboid.
Since a cube has 6 faces, you would be looking for a solid shape with only 2 faces and no such solid exists.
Shapes have sides. Do you mean, what shape has 6 sides or, what solid has 6 faces?