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How many edges are there in an octahedron, a polyhedron with eight congruent triangular faces?

8 edges
12 edges
18 edges
6 edges

1 Answer

2 votes
An octahedron in geometry is defined as a polyhedron with eight faces, six vertices and twelve edged. The term is used for regular octahedron mostly.
Thus we can summarize it as:
Number of edges: 12
Number of faces: 8
Number of faces: 6
the answer is 12 edges.
User Josh Hibschman
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