No, a cuboid has 8 sides
* * * * *
That is not correct. A cuboid also has six faces.
A cuboid is made up of three pairs of congruent rectangles - in the shape of a brick. The relationship between a cube and a cuboid is the 3-dimensional equivalent of the relationship between a square and a rectangle in 2-d.
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A cube or a cuboid could have 12 edges, 8 vertices, and 6 faces.
Cuboid
a cuboid
All edges of a cube are the same length. A cuboid has three quartets of lines: at least one of which is of a length different from the other two. Equivalently, all sides of a cube are squares, at least some sides of a cuboid are rectangles.
if its a regular cube -> then 6 * * * * * By definition, a cube must be regular. If it is not regular, then it is a cuboid. A cuboid also has six faces, so the qualification added to the earlier answer is quite unnecessary.