Mathematics
If V stands for number of vertices, F stands for number of faces and E stands for number of edges, then :
V + F + E = 2
F + E - V - 2 = 0
F + V - E = 2
F - E + V + 2 = 0
Related Questions
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half of the number of edges
8
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more than the number of edges
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5 vertices and 5 faces
If in a polyhedron, number of faces = 12 and number of vertices is 20, then the number of edges is :
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20
30
40
If a polyhedron, has 10 vertices and 7 faces, find the number of edges in it.