SOLUTION: What's the smallest angle of rotational symmetry that maps a regular nonagon onto itself

SOLUTION: What's the smallest angle of rotational symmetry that maps a regular nonagon onto itself

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Question 1046890: What's the smallest angle of rotational symmetry that maps a regular nonagon onto itself
Answer by ikleyn(52752) (Show Source): You can put this solution on YOUR website!
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= 20 degrees.

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