Platonic Solids
Edge: a
Radius of circumscribed circle: R
Radius of inscribed circle: r
Surface area: S
Volume: V
- Five Platonic Solids
Faces composed of congruent convex regular polygons.
Solid
|
Number
of Vertices
|
Number
of Edges
|
Number
of Faces
|
Section
|
Tetrahedron
|
4
|
6
|
4
|
3.25
|
Cube
|
8
|
12
|
6
|
3.22
|
Octahedron
|
6
|
12
|
8
|
3.27
|
Icosahedron
|
12
|
30
|
20
|
3.27
|
Dodecahedron
|
20
|
30
|
12
|
3.27
|
Octahedron
Figure
Icosahedron
Figure
Dodecahedron
Figure
Labels:
Mathematician
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