Example 3

The length of each side of a square is increased by centimeters. How does the perimeter change? How does the area change?
  1. Find an expression for the perimeter of the original square.
  2. Find an expression for the perimeter of the new square and compare the new perimeter to the original perimeter.
  3. Find an expression for the area of the original square.
  4. Find an expression for the area of the new square and compare the new area to the original area.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.