prefect Symmetry

[shahar]

Is the circle the only figure that had the infinite symmetry in the 2-dimension plane?

Generally speaking,
Is circle is the only member in The Symmetry Set? (by Ignoring the null member)

 

[pka]

Is the circle the only figure that had the infinite symmetry in the 2-dimension plane?

Generally speaking,
Is circle is the only member in The Symmetry Set? (by Ignoring the null member)

Have a look at this page. I am no at all sure that you are using The Symmetry Set the same way?
Are you? In your title you have perfect symmetry?