Rotational Symmetry

Try finding the order of rotational symmetry of all 12 figures!
1
Order of rotational symmetry of Figure 4[br][br]
2
Order of rotational symmetry of Figure 5[br][br]
3
Order of rotational symmetry of Figure 6[br][br]
4
Order of rotational symmetry of Figure 7[br][br]
5
Order of rotational symmetry of Figure 8[br][br]
6
Order of rotational symmetry of Figure 9[br][br]
7
Order of rotational symmetry of Figure 10[br]
8
Order of rotational symmetry of Figure 11[br]
9
Order of rotational symmetry of Figure 12[br]
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Information: Rotational Symmetry