# Example 3

- Author:
- Walch Education

The length of each side of a square is increased by centimeters. How does the perimeter change? How does the area change?

- Find an expression for the perimeter of the original square.
- Find an expression for the perimeter of the new square and compare the new perimeter to the original perimeter.
- Find an expression for the area of the original square.
- Find an expression for the area of the new square and compare the new area to the original area.