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Who knows?

Well, maybe me....

I think it might be a decicosagon, because I figure that all polygons

from 21-30 end in icosagon, and because all the 13-20 begin with the 3-9 sided shape

names.. (apart from 19, with is the enneadecagon of course) the answer will be...

A. Decicosagon

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14y ago

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