nspr1999 nspr1999

16-07-2015
Mathematics

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

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RedRicin RedRicin

16-07-2015

If you've ever seen an octahedron, it looks like two square pyramids attached at the base. There are 12 edges-- four to define the top set of faces, four for the bottom, and four to define the middle "base."

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