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A polyhedron with 12 faces, all of which are regular pentagons. It has 20 vertices and 30 edges.

A solid with a polygonal base and triangular sides that converge at a single point (apex).

A polyhedron with four faces, all of which are equilateral triangles. It has 4 vertices and 6 edges.

A six-faced, all sides are squares with all edges equal length. It has 8 vertices and 12 edges.

A polyhedron with 20 faces, all of which are equilateral triangles. It has 12 vertices and 30 edges.

Has a circular base and a vertex (apex) that is not on the base. It tapers smoothly from the base to the apex.

A polyhedron with eight faces, all of which are equilateral triangles. It has 6 vertices and 12 edges.

All points are at an equal distance from the center. It has no edges or vertices.

Has six faces, all of which are rectangles. Opposite faces are equal and parallel.