



 
Hi Debbie, I'm not sure what you are asking. The perimeter of a two dimensional shape is the distance around it. Thus for example if your rectangle is 150 feet long and 50 feet wide then the distance around is
If the rectangle happens to be a square with each side measuring 100 feet then the perimeter is
There are many other choices for the length and width that give a perimeter of 400 feet. Penny  


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