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OpenStudy (happykiddo):
A polyhedron has 7 faces and 12 edges. What is the number of vertices of the polyhedron?
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OpenStudy (happykiddo):
help
OpenStudy (anonymous):
V + F -E = 2 V + 7 - 12 = 2 V = 2+ 5 V= 7
OpenStudy (anonymous):
I used Euler's Formula.
OpenStudy (happykiddo):
very nice yes thank you
OpenStudy (anonymous):
You're welcome! I just re-read my replies and I noticed I sound so unfriendly! Sorry about that. Have a great day :)
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