like the bottom of a cube is flat that is a face
A cube. Or a triangular bipyramid.
A tetrahedron (or triangular pyramid).
an octagon * * * * * An octagon has 8 sides. An object with 8 faces is an octahedron.
Cylinder
rectangular prism.It has 6 faces and 12 edges. The 2 bases are congruent to each other, and the remaining 4 faces are congruent to each other, but the bases are not necessarily congruent to the other faces.
A tetrahedron (or triangular pyramid).
A cube. Or a triangular bipyramid.
an octagon * * * * * An octagon has 8 sides. An object with 8 faces is an octahedron.
An object with six square faces is a cube.
Cylinder
A cube has 6 faces. A square has 2 faces if it is only a flat object.
[object Object]
rectangular prism.It has 6 faces and 12 edges. The 2 bases are congruent to each other, and the remaining 4 faces are congruent to each other, but the bases are not necessarily congruent to the other faces.
A Heptagon is a 3d object with 7 faces. An example of a heptagon is a hexagonal pyramid (that is a pyramid with a hexagon for the base).
A tetrahedron - ie a triangular pyramid.
a pentagonal pyrimad
a rectangular prism