The perimeter of a shape is the distance around the outside of the shape. Find the perimeter by adding the lengths of the sides.
What is the perimeter of this parallelogram?

In a parallelogram, opposite sides have the same length.
Look at the parallelogram and find the side lengths. add:
3+6+3+6=18
Now find the units. The lengths are measured in feet, so the perimeter is also measured in feet.
The perimeter is 18 feet.