| Name | Name:Quadrilateral | Name:Octadecagon |
| Sides | Sides:4 | Sides:18 |
| Interior Angle | Interior Angle:90.00 | Interior Angle:160.00 |
| Sum of Interior Angles | Sum of Interior Angles:360 | Sum of Interior Angles:2880 |
| Description | Description:A polygon with 4 sides is called a quadrilateral (or a tetragon or more commonly a square) | Description:A polygon with 18 sides is called an octadecagon |
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