The length of each side of a square is increased by [math]2[/math] centimeters. How does the perimeter change? How does the area change?

[list=1][br][*]Find an expression for the perimeter of the original square.[br][/*][*]Find an expression for the perimeter of the new square and compare the new perimeter to the original perimeter.[br][/*][*]Find an expression for the area of the original square.[br][/*][*]Find an expression for the area of the new square and compare the new area to the original area.[br][/*][/list][br][br]This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url=http://www.walch.com]www.walch.com[/url] for more information.