The plural of 'radius' is 'radii', not 'radiuses'. A circle has an infinite number of radii, but they are all of the same length.
A circle has radii or radiuses which are infinite
radius bones radii radiuses
If you meant radius in your question, then the answer would be radii or radiuses.
Their radii (radiuses) can.
The answer depends on the size of the cube.
There are 7 vertices on a cube
A cube has six sides
A cube has eight points.
a cube has six faces
A cube has 8 vercities.
A cube has 12 edges.