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3 years ago

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1 answer:

pychu [463]3 years ago

3 0

Use the following formula valid fo every polyhedron.

v-e+f=2
<span>
Search for Euler characteristic, or Euler-Poicare characteristic for more depth about this formula </span>

v= number of vertices

e=number of edges

f=number of faces

<span>You get v=13

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