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How many edges does a gemstone with 10 faces and 12 vertices have?
Wiki User
∙ 13y ago
Euler can help you answer this question. Euler's formula says number of faces plus number of vertices minus the number of edges equal 2. In symbols we write F+V-E=2. So in this
case we have 10+12-E=2
So E=20 and there are twenty edges.
Wiki User
∙ 13y ago
Anonymous
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