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/*** Calculate the area of a rectangle.** length: The length of the rectangle.* width: The width of the rectangle.* * Return a number denoting the rectangle's area.**/functiongetArea(length,width){letarea;area=length*width;returnarea;}/*** Calculate the perimeter of a rectangle.* * length: The length of the rectangle.* width: The width of the rectangle.* * Return a number denoting the perimeter of a rectangle.**/functiongetPerimeter(length,width){letperimeter;perimeter=2*(length+width);returnperimeter;}

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## Day 1: Arithmetic Operators

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