hendecagon
Oct. 10th, 2016 07:54 amhendecagon (hen-DEK-uh-gon) - n., a polygon with eleven sides.
As on the Susan B. Anthony dollar coin:

From Greek hendeka, eleven + gon–, corner.
(And if you're curious, the area of a regular hendecagon is
)
As on the Susan B. Anthony dollar coin:

From Greek hendeka, eleven + gon–, corner.
(And if you're curious, the area of a regular hendecagon is
