How to calculate area of a regular polygon

- How to calculate apothem of a regular polygon
- How to calculate exterior angle of a regular polygon
- How to calculate the area of regular polygon
- How to calculate area of any regular polygon
- How to calculate sides of a regular polygon
- How to calculate angles of a regular polygon
- How to calculate perimeter of a regular polygon
- How do you calculate the area of a regular polygon
- How to calculate interior angles of a regular polygon
- How to calculate the size of a regular polygon