![](http://www.alamy.com/thumbs/6/4C09BE8E-3CDC-4FD6-A124-FA20143C763C/2BTH1E6.jpg)
Twelve Sided Polygon, all sides are unequal in length and interior angles are less than 180 degree, vintage line drawing or engraving illustration.
Size: 5000px × 2445px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: angles, art, black, drawing, engraved, engraving, geometric, geometrical, geometry, illustration, length, line, mathematics, maths, pattern, polygon, regular, shape, sided, twelve, vector, vectors, vintage, white