Two quarters of a circle.
A circle subdivided into two quarters and one half.
Two sevenths of a circle.
Two sixths of a circle.
Two tenths of a circle.
Two thirds of a circle.
A circle subdivided into two thirds and two sixths.
Two twelfths of a circle.
A whole circle.
1/10 of a 10 sided polygon
2/10 of a 10 sided polygon
3/10 of a 10 sided polygon
4/10 of a 10 sided polygon
5/10 of a 10 sided polygon
6/10 of a 10 sided polygon
7/10 of a 10 sided polygon
8/10 of a 10 sided polygon
9/10 of a 10 sided polygon
10/10 of a 10 sided polygon
10/10 of a 10 sided polygon with one piece detached
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
1/12 of a 12 sided polygon
2/12 of a 12 sided polygon
3/12 of a 12 sided polygon
4/12 of a 12 sided polygon
5/12 of a 12 sided polygon
6/12 of a 12 sided polygon
7/12 of a 12 sided polygon
8/12 of a 12 sided polygon
9/12 of a 12 sided polygon
10/12 of a 12 sided polygon
11/12 of a 12 sided polygon
12/12 of a 12 sided polygon
12/12 of a 12 sided polygon with one piece detached
1/3 of a 3 sided polygon
2/3 of a 3 sided polygon
3/3 of a 3 sided polygon
3/3 of a 3 sided polygon with one piece detached
1/4 of a 4 sided polygon
2/4 of a 4 sided polygon
3/4 of a 4 sided polygon
4/4 of a 4 sided polygon