Perimeter is the distance around the outside of a shape. Area measures the space inside a shape.

Perimeter of Area: Understanding Area of Squares and Rectangles
Understanding the concept of area and perimeter is crucial in mathematics. In this explanation, we will focus on the area of squares and rectangles, as well as how to calculate their perimeters.

Area of Squares:
- The area of a square is calculated by multiplying the length of one side by itself.
- For example, if the side of a square is 5 units, the area would be 5 x 5 = 25 square units.

Area of Rectangles:
- The area of a rectangle is calculated by multiplying the length and width of the rectangle.
- For example, if the length of a rectangle is 6 units and the width is 4 units, the area would be 6 x 4 = 24 square units.

Perimeter of Squares:
- The perimeter of a square is the sum of all its sides.
- Since all sides of a square are equal, the perimeter can be calculated by multiplying the length of one side by 4.
- For example, if the side of a square is 5 units, the perimeter would be 5 x 4 = 20 units.

Perimeter of Rectangles:
- The perimeter of a rectangle is calculated by adding all the sides of the rectangle.
- It can also be calculated by using the formula 2 x (length + width).
- Using the previous example of a rectangle with a length of 6 units and a width of 4 units, the perimeter would be 2 x (6 + 4) = 2 x 10 = 20 units.
In conclusion, understanding the concepts of area and perimeter, particularly for squares and rectangles, is essential in mathematics. Remembering the formulas and calculations for these shapes can help in solving various mathematical problems involving area and perimeter.