A dodecahedron. A dodecahedron is any polyhedron with twelve faces, but usually a regular dodecahedron is meant. It is a Platonic solid composed of twelve regular pentagonal faces, with three meeting at each vertex. It has twenty (20) vertexes and thirty (30) edges. The dodecahedron would be the Platonic solid with the largest volume if all were made with edges of the same length.
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A cube or cuboid.
It is a dodecahedron - a shape with 12 faces which are regular pentagons.
It is an octahedron that is a 3D shape with 8 faces
hello this is me i am 11 years old but i still don't know what a 3D shape with 12 faces is called
A Ronagon