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OpenStudy (anonymous):
A polyhedron has 6 vertices and 9 edges. How many faces does it have?
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OpenStudy (anonymous):
5
OpenStudy (anonymous):
Can you explain or like draw it?
OpenStudy (anonymous):
The one on the far left
OpenStudy (anonymous):
Does anyone know Euler's polyhedron formula?
OpenStudy (anonymous):
Let P be a convex polyhedron. Let v be the number of vertices, e be the number of edges and f be the number of faces of P. Then v-e + f = 2.
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OpenStudy (anonymous):
6 - 9 + f = 2?
OpenStudy (anonymous):
Yeah, and that equals 5! I just needed the formula. Thanks! @justin2013
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