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The length of the side of a square is equal to the perimeter of the square divided by four. Which shows the correct graph relating the perimeter of a square on the x-axis to the side length of a square on the y-axis? On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 1), (8, 2). On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (1, 4) and (2, 8). On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 2) and (8, 3). On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (1, 5) and (2, 9).