1
a polygon with forty-two sides
2
a four-sided polygon
3
a triangle with two equal sides
4
a quadrilateral with one set of parallel sides
5
a quadrilateral with two sets of parallel sides
6
a polygon with five sides
7
a polygon with eight sides
8
a quadrilateral with four equal sides
9
a polygon with six sides
10
a triangle with no equal sides
11
a quadrilateral with four equal sides and angles
