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    Platonic Solid

    Members

    regular tetrahedron | cube | regular octahedron | regular dodecahedron | regular icosahedron

    Visual representations

    Combinatorial properties

    | vertices | edges | faces regular tetrahedron | 4 | 6 | 4 (4 triangles) cube | 8 | 12 | 6 (6 quadrilaterals) regular octahedron | 6 | 12 | 8 (8 triangles) regular dodecahedron | 20 | 30 | 12 (12 pentagons) regular icosahedron | 12 | 30 | 20 (20 triangles)

    Edge lengths

    1 (6 edges)

    1 (12 edges)

    1 (12 edges)

    1 (30 edges)

    1 (30 edges)

    Geometric properties

    | volume regular tetrahedron | 1/(6 sqrt(2)) cube | 1 regular octahedron | sqrt(2)/3 regular dodecahedron | 1/4 (15 + 7 sqrt(5)) regular icosahedron | (5 ϕ^2)/6 | surface area regular tetrahedron | sqrt(3) cube | 6 regular octahedron | 2 sqrt(3) regular dodecahedron | 3 sqrt(5 (5 + 2 sqrt(5))) regular icosahedron | 5 sqrt(3) | circumradius regular tetrahedron | sqrt(3/2)/2 cube | sqrt(3)/2 regular octahedron | 1/sqrt(2) regular dodecahedron | 1/4 (sqrt(3) + sqrt(15)) regular icosahedron | 1/4 sqrt(10 + 2 sqrt(5)) | midradius regular tetrahedron | 1/(2 sqrt(2)) cube | 1/sqrt(2) regular octahedron | 1/2 regular dodecahedron | 1/4 (3 + sqrt(5)) regular icosahedron | ϕ/2 | inradius regular tetrahedron | 1/(2 sqrt(6)) cube | 1/2 regular octahedron | 1/sqrt(6) regular dodecahedron | 1/20 sqrt(250 + 110 sqrt(5)) regular icosahedron | 1/12 (3 sqrt(3) + sqrt(15)) (assuming unit edge lengths)

    Nets

    Skeleton graphs

    | skeleton graph name regular tetrahedron | tetrahedral graph cube | cubical graph regular octahedron | octahedral graph regular dodecahedron | dodecahedral graph regular icosahedron | icosahedral graph

    Dual polyhedra

    | dual name regular tetrahedron | regular tetrahedron cube | regular octahedron regular octahedron | cube regular dodecahedron | regular icosahedron regular icosahedron | regular dodecahedron

    Dual skeleton graphs

    | dual skeleton name regular tetrahedron | tetrahedral graph cube | octahedral graph regular octahedron | cubical graph regular dodecahedron | icosahedral graph regular icosahedron | dodecahedral graph

    Symmetry group

    icosahedral group | octahedral group | tetrahedral group

    Common properties

    amphichiral | canonical | convex | equilateral | isohedron | Platonic | Platonic dual | rigid | simple | uniform | uniform dual

    Associated people

    Plato