All sides of a regular dodecagon are the same length. Each corner is 150°. All corners added together equal 1800°.
The amount of space a regular dodecagon takes up is
The perimeter of a regular dodecagon is
The variable P represents the perimeter, and the variable s represents one side.
Images for kids
The Vera Cruz church in Segovia
Dodecagon Facts for Kids. Kiddle Encyclopedia.