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OpenStudy (anonymous):
If a polyhedron has 8 faces and 12 vertices, how many edges will it have?
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jimthompson5910 (jim_thompson5910):
http://plus.maths.org/content/eulers-polyhedron-formula on that page it says V - E + F = 2 where V = # of vertices E = # of edges F = # of faces
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