First you divide the perimeter by 4 then multiply the sides like your trying to get the area.

For example: Perimeter is 60ft around. Divide tht by 4. You get 15. Multiply 15 and 15 and you get 225 for your answer.....

For example: Perimeter is 60ft around. Divide tht by 4. You get 15. Multiply 15 and 15 and you get 225 for your answer.....