0
Wiki User
Hexagon
-6
-3
How about a triangle which is a 2 dimensional shape with 3 sides
A quadrilateral is a 2D shape that has 4 sides
A 2-D shape with seven sides is called a HEPTAGON.
A dodecagon has 12 sides.
-2
A square
a pentagon
Nonagon
In 2-d, a heptagon.