Dodecagon
polygon with 12 sides and 12 vertises
A dodecagon or 12-gon is a shape with 12 sides and 12 corners.
![](http://up.wiki.x.io/wikipedia/commons/thumb/3/39/Dodecagon.svg/220px-Dodecagon.svg.png)
Regular dodecagon
changeAll sides of a regular dodecagon are the same length. Each corner is 150°. All corners added together equal 1800°.
Area
changeThe amount of space a regular dodecagon takes up is
Perimeter
changeThe perimeter of a regular dodecagon is
The variable P represents the perimeter, and the variable s represents one side.