12 is the length of one side of cube.
What is cube?
In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices
According to question, the volume of a cube is 1728 cubic units.
We have to find the length of the cube.
Volume=[tex]1728[/tex] cubic units
⇒[tex]lenght^{3} =12^{3}[/tex]
⇒[tex]length =12[/tex] [tex]units[/tex]
Hence, [tex]12[/tex] is the length of one side of cube.
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