What is a plane figure with nine straight sides and nine angles?
Nonogon Regular enneagon Law of Nine Enneagon Enneagram of Process Nonagon Regular nonagon Nine (Enneagram) (Alt. Description) Nine-pointed star 9-gon
regular enneagon 9 gon nine enneagram alt description nine pointed star nonogon law of nine enneagram of process nonagon regular nonagon enneagon
nonagon
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Nonagon