Euler's Polyhedral Formula


	Let the number of vertices, edges, and faces of a polyhedron be , , and . The Euler characteristic, , is always 2 for convex polyhedra. This Demonstration shows Euler's polyhedral formula for the Platonic solids.


	Contributed by: Hector Zenil

Polyhedral Formula (Wolfram MathWorld)

"Euler's Polyhedral Formula" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/EulersPolyhedralFormula/

Contributed by: Hector Zenil

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Graph Theory
Polyhedra
Recreational Mathematics
Solid Geometry
Topology
High School Finite Mathematics
High School Geometry
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