Platonic solids
Name
Tetraedron
Hexahedron (Cube)
Octahedron
Dodecahedron
Icosahedron
Kép
![Tetraedron Tetraedron](/images/pages/57_1.png)
![Hexahedron (Cube) Hexahedron (Cube)](/images/pages/57_2.png)
![Octahedron Octahedron](/images/pages/57_3.png)
![Dodecahedron Dodecahedron](/images/pages/57_4.png)
![Icosahedron Icosahedron](/images/pages/57_5.png)
Háló
![Tetraedron net Tetraedron net](/images/pages/57_6.png)
![Hexahedron (Cube) net Hexahedron (Cube) net](/images/pages/57_7.png)
![Octahedron net Octahedron net](/images/pages/57_8.png)
![Dodecahedron net Dodecahedron net](/images/pages/57_9.png)
![Icosahedron net Icosahedron net](/images/pages/57_10.png)
Faces
4
6
8
12
20
Face type
equilateral triangle
squere
equilateral triangle
equilateral triangle
equilateral triangle
Duality
tetrahedron
octahedron
hexahedron
icosahedron
dodecahedron
Edges
6
12
12
30
30
Vertices
4
8
6
20
12
Edges from vertex
3
3
4
3
5
Number of diagonals
0
4
3
100
36
Dihedral angle
≈70°31'44''
90°
≈109°28'16''
≈116°33'56''
≈138°11'23''
Surface area
Volume
Circumradiu
Inradiu
Midradius
Keywords: Platonic solids, also called the regular solids or regular polyhedra