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How many faces do you need to have a 3-d figure?

Updated: 8/17/2019
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14y ago

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WRONG: A 3-d object needs 6 faces for it to look like a 3-d figure

Actually the answer is "at least four" - not six. Consider a regular tetrahedron, which is a pyramid with a triangular base. It has four planar faces.

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14y ago
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Q: How many faces do you need to have a 3-d figure?
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