# How many edges, faces and vertices does a 3D Octahedron have?

I need your help! All answers appreciated. How many faces, vertices and especially number of edges does a octahedron have, if you know the answer, can you let me know and explain why. Any diagrams or anything!
But anyway, what does a tetrahedron look like? I typed it in Google but it came up with 2 shapes. I'm...
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I need your help! All answers appreciated. How many faces, vertices and especially number of edges does a octahedron have, if you know the answer, can you let me know and explain why. Any diagrams or anything!

But anyway, what does a tetrahedron look like? I typed it in Google but it came up with 2 shapes. I'm not sure which is which.

I need your help! All answers appreciated. How many faces, vertices and especially number of edges does a octahedron have, if you know the answer, can you let me know and explain why. Any diagrams or anything!

But anyway, what does a tetrahedron look like? I typed it in Google but it came up with 2 shapes. I'm not sure which is which.

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