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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.
must all edges of semiregular polyhedron be the same length
There is no volume that has units of length. If you meant to write 8cm3 then the cube has all edges 2cm (ie the "cube root" of 8 times the "cube root" of cm3)
By definition, yes.
A cube is a three dimensional figure with all edges having the same length and all six sideshaving the same area. The length of a cube is the length of any edge of the cube; all edges having thesame length.
A cube
There can be no such cube since, by definition, all edges of a cube have the same length.
There can be no such cube since, by definition, all edges of a cube have the same length.
A cube is a regular rectangular prism. Regular requires all its edges to be of the same length.
The volume of a cube is determined by cubing the length of one edge, so the cube root of the volume will give you the length of an edge. (In a cube, all of the edges are the same length)
It is a cube
If you mean 6 faces and 12 edges then a cube would fit the given description which also has 8 vertices.
yes
Because a cube IS a rectangular prism ... one where the length, the width, and the height just happen to be all the same size.
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A cube's faces are always rectangular, but more specifically they are squares, a rectangle with adjacent, equal sides. So a cube's 12 edges are all the same length as each other.