| Name | Name:Heptadecagon | Name:Icosagon |
| Sides | Sides:17 | Sides:20 |
| Interior Angle | Interior Angle:158.00 | Interior Angle:162.00 |
| Sum of Interior Angles | Sum of Interior Angles:2700 | Sum of Interior Angles:3240 |
| Description | Description:A polygon with 17 sides is called a heptadecagon | Description:A polygon with 20 sides is called an icosagon |
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