Symmetry in a flag
The white cross of the Switzerland flag has a dihedral symmetry of type D4. In a square flag, as the one in the figure, the symmetry is D4, but in a rectangular one we would have a symmetry D2.
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The image belongs to the sections...:
*4. (D4) (Symmetry)
Coat of arms, trade marks and flags (Anthology of images)
Coat of arms, trade marks and flags (Symmetry)
