To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or 

To solve this problem, we need to remember is that a square has four sides of equal length. This means that given one side length, we know all the other side lengths. The formula for perimeter is , which is the same thing as adding all the side lengths together. 

 or