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OpenStudy (anonymous):
good morning OS.................................................................................................................................................................................................................................................A polyhedron has 7 faces and 12 edges. What is the number of vertices of the polyhedron? 3 9 7 5
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Parth (parthkohli):
Use Euclid's Formula.
Parth (parthkohli):
Faces + Vertices - Edges = 2
OpenStudy (anonymous):
dont know the euclids form but ill see the second thing
Parth (parthkohli):
7 + Vertices - 12 = 2 -5 + Vertices = 2
Parth (parthkohli):
It's Euler's Formula*
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OpenStudy (anonymous):
7 thanks
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