The perimeter of the rectangular playground shown below is 160 feet. What is the area of the playground?

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south

I’m confused this is what i’m doing in class but the question is confusing