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Octahedron in Cube

  1. Nov 12, 2015 #1
    I heard somewhere that the Octahedron can't exist in the Cube exactly.

    Is this true? Can't I prove that the octahedron in the cube?

    Intuitively, they seems true. But I can't sure.
     
  2. jcsd
  3. Nov 12, 2015 #2
    Your question is not at all clear.
     
  4. Nov 12, 2015 #3
    Octahedron_in_Cube.png I meant this. I heard that this octahedron don't exist. But...
     
  5. Nov 12, 2015 #4

    Vanadium 50

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    You are both drawing something and telling us it can't exist. Doesn't that bother you?
     
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