A tetrahedron or triangular pyramid.
A triangular pyramid.
a square. duuh. * * * * * duuh is correct! A square has 4 identical sides or 4 identical angles but not 4 identical faces! A shape with four identical plane faces is a regular tetrahedron or a triangle based pyramid.
cube
Since a cube has 6 faces, you would be looking for a solid shape with only 2 faces and no such solid exists.
square
it is a triangular pyrimid
tetrahedron
rectangular pyramid
There is no such figure.
A Rectangular Pyramid.
There is no such polyhedron.
rectangular pyramid
A tetrahedron or triangular pyramid.
pyramid
edge
A rhombus (squares are rhombuses).