regular tetrahedron has four faces are congruent equilateral triangles.
At each vertex three sides concur.
has six edges and four vertices.
regular hexahedron or cube
has six faces are congruent squares.
At each vertex three sides concur.
has twelve edges and eight vertices.
regular octahedron
has eight faces are equilateral triangles congruent.
Each vertex attend four sides.
has twelve edges and six vertices.
regular dodecahedron has twelve
faces are congruent regular pentagons.
At each vertex three sides concur.
has thirty edges and twenty vertices. Regular Icosahedron
He has twenty faces that are congruent equilateral triangles.
Each vertex attend five faces.
has thirty edges, and twelve vertices.
by Alessandra Estrada E
the 4th right hand 
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