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 Related Terms
 Pentagon:  A polygon with 5 sides.
Polygon: A closed figure formed by three or more line segments.
Decagon: A polygon that has 10 sides
Dodecagon: A polygon that has 12 sides
Hendecagon: A polygon with 11 sides.
Heptagon: A polygon with 7 sides.
Hexagon: A polygon with 6 sides.
N-gon: A polygon with n sides.
Nonagon: A polygon with 9 sides.
Octagon: A polygon with 8 sides.
Quadrilateral: A polygon with 4 sides.
Triangle: A polygon with three sides.