There are 12 straight edges in a cube. :)
It has 12 straight edges
It has 12 of them.
There are 12 edges on a cube. There are 5 flat surfaces (planes) on a cube as well.
They are the straight "lines" where two faces meet.
there are 12 edges in a cube
A cube has twelve edges.
that is a cube
There are 12 edges in a cube.
A cube has 12 edges.
12 edges in a cube.
A cube has only 8 edges. * * * * * Actually, a cube has 12 edges, NOT 8.