**Problem : **

Diagram of a Polygon

What is the perimeter of this polygon?

21**Problem : **

Diagram of a Polygon

What is the perimeter of this polygon?

28**Problem : **

Diagram of a Rectangle

What is the perimeter of this rectangle?

22**Problem : **

Diagram of a Rectangle

What is the perimeter of this rectangle?

18**Problem : **

Diagram of a Square

What is the perimeter of this square?

28**Problem : **

Diagram of a Square

What is the perimeter of this square?

12