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WHAT ARE POLYGONS?
What are Polygons?
A polygon is a two-dimensional closed figure made up of only line segments.
For example:
|
This is a polygon. (as it is closed and made up of only line segments) |
This is not a polygon. (as it is not made up of only line segments) |
This is not a polygon. (as it is not closed) |
Polygons are classified according to the number of sides they have:
| Number of Sides | Name of the Polygon |
| 3 | Triangle |
| 4 | Quadrilateral |
| 5 | Pentagon |
| 6 | Hexagon |
| 7 | Heptagon |
| 8 | Octagon |
| 9 | Nonagon |
| 10 | Decagon |
