__2D Shapes - Polygons__
### Polygons are 2 dimensional shapes that are made up of straight sides.
### The word 'Polygon' is derived from the Greek words 'poly' meaning 'many' and 'gon' meaning 'angle' - many angles.
A Regular polygon has equal length sides and equal angles.
An Irregular polygon has sides of different lengths.
### The name of the polygon tells you how many angles it has,
the most common are:
### Pentagon - 5 sides
Hexagon - 6 sides
Heptagon - 7 sides
Octagon - 8 sides
Nonagon - 9 sides
Decagon - 10 sides
### Triangles, Rectangles and Squares are also polygons because
they are made up of straight sides.
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Try these worksheets from Primary Resources
2D Shapes Puzzles 2D Shape Properties 2D Shape Properties
2D Shapes Quiz from BBC Bitesize
Play this game of shapes and spooky castles to practice with 2D Shapes
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