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March 23rd, 2017, 04:52 PM   #1
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Cube center inverted through sides

A cube can be divided into six equal, regular right pyramids. What outward shape results when their bases form an empty cube, that is, when their apexes are inverted through their bases?
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March 23rd, 2017, 07:19 PM   #2
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Somebody check this for me (my Geometry never was good) but I belive that you get a cube.

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Last edited by topsquark; March 23rd, 2017 at 07:23 PM.
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