The formula is V-E+F=2 and it tells us that if we take the number of vertices a polyhedron has and subtract the number of edges and then add the number of faces, that result will always be 2.
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He discovered the all important Euler's Rule often referred to as Euler's Formula.
There are different formulae for different polyhedra and these depend on what information about the polyhedron is given.
No, F + V = E + 2That's Euler's polyhedron formula (or Theorem). For a normal 3-d polyhedron to exist it must conform to that equation.
http://en.wikipedia.org/wiki/Euler_angles
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