octahedron
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octahedron - a polyhedron with 8 faces
A 3-D shape that has 8 faces is a hexagonal prism. This is a shape that is formed on a hexagon-shaped base.
A OctahedronThis shape has 8 faces.
A shape with 8 faces is called an octahedron. An octahedron is a polyhedron with eight faces, each of which is an equilateral triangle. It is a three-dimensional shape that is commonly used in geometry and mathematics.
Octagon. * * * * * An octagon is 2-dimensional. The regular 3-d shape (all faces the same) is the octahedron, but a hexagonal prism also has 8 faces.