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OpenStudy (anonymous):
If a convex polyhedron has 12 edges and 8 faces, then how many vertices does it have?
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OpenStudy (anonymous):
2 6 16 20
OpenStudy (imstuck):
Use Euler's formula for this for a 3D figure. F + V = E + 2, where F is the number of faces, V is the number of vertices, E is the number of edges, +2! You have enough info to fill in the formula to find that the number of vertices is 6.
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