decagons

decagons
dec·a·gon || 'dekəgən n. figure with ten sides

English contemporary dictionary. 2014.

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  • Aperiodic tiling — are an aperiodic set of tiles, since they admit only non periodic tilings of the plane:] Any of the infinitely many tilings by the Penrose tiles is non periodic. More informally, many refer to the Penrose tilings as being aperiodic tilings , but… …   Wikipedia

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  • Runcinated 120-cell — Four runcinations 120 cell …   Wikipedia

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