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Isuckatmath908
They are the equilateral triangle,the square,and the regular pentagon
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A platonic solid is a three dimensional shape, which is made up of same kind of regular polygons.For example, Tetrahedron, Cube, Octahedron.

There are only three types of polygons that can be the faces of a Platonic solid. They are Equilateral Triangle, Square and Regular Pentagon.