Polygons are closed geometric shapes with straight sides. Ten types of polygons include triangle (3 sides), quadrilateral (4 sides), pentagon (5 sides), hexagon (6 sides), heptagon (7 sides), octagon (8 sides), nonagon (9 sides), decagon (10 sides), hendecagon (11 sides), and dodecagon (12 sides). Each polygon has its own unique properties and characteristics based on the number of sides and angles it possesses.
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A polygon is a closed plane figure made up of several line segments that are joined together. The first 10 are: the triangle, the quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, hendecagon, and the dodecagon.
#sides
3Triangle4Square or Quadrilateral5Pentagon6Hexagon7Heptagon8Octagon9Nonagon or Ennagon10Decagon11Hendecagon or Undecagon12Dodecagon13Triskaidecagon14Tetrakaidecagon15Pendedecagon16Hexdecagon17Heptdecagon18Octdecagon19Enneadecagon20Icosagon30Triacontagon40Tetracontagon50Pentacontagon60Hexacontagon70Heptacontagon80Octacontagon90Enneacontagon100Hectagon1000Chiliagon10000Myriagon100000Megagon10100Googolgon
Triangle, Square, Rectangle, Pentagon, Hexagon, Septagon, Octagon, Nonagon, decagon, dodecagon, dodecahedron.