This math fractions ClipArt gallery offers 12 illustrations of an eleven sided polygon broken into eleventh slices. This includes images of individual slices, as well as the polygon with missing slices.
1/11 of a 11 sided polygon
2/11 of a 11 sided polygon
3/11 of a 11 sided polygon
4/11 of a 11 sided polygon
5/11 of a 11 sided polygon
6/11 of a 11 sided polygon
7/11 of a 11 sided polygon
8/11 of a 11 sided polygon
9/11 of a 11 sided polygon
10/11 of a 11 sided polygon
11/11 of a 11 sided polygon
11/11 of a 11 sided polygon with one piece detached