| Name | Name:Heptagon | Name:Tetrakaidecagon | 
| Sides | Sides:7 | Sides:14 | 
| Interior Angle | Interior Angle:128.57 | Interior Angle:154.00 | 
| Sum of Interior Angles | Sum of Interior Angles:900 | Sum of Interior Angles:2160 | 
| Description | Description:A polygon with 7 sides is called a heptagon (or a septagon) | Description:A polygon with 14 sides is called a tetradecagon | 
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