![](http://www.alamy.com/thumbs/6/76D9ABFA-1B8F-4AC3-A75C-4778DC5DDAC1/2BTH1XM.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: 4719px × 5000px
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