1.
A closed figure with straight sides
2.
A polygon with three sides and three angles
3.
A polygon with four sides and four angles
4.
A polygon with five sides
5.
A polygon with six sides
6.
The distance around the outside of a shape
7.
The amount of space inside a two-dimensional shape
8.
The amount of space inside a three-dimensional shape
9.
The total area of all faces of a three-dimensional object
10.
A quadrilateral with four right angles and opposite sides that are equal
11.
A rectangle with all four sides of equal length
12.
A round shape where all points are equidistant from the center
