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EntityQ3064117· pop 36· linked from 517 articles

Also known as facet, surface, side

in geometry, a planar surface that forms part of the boundary of a solid object

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The face (red) of a cube (black)

In solid geometry, a face is a flat surface (a planar region) that forms part of the boundary of a solid object. For example, a cube has six faces in this sense.

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