Area of a Rectangle
Formula: l×b
The difference between a rectangle and a square is that a square has 4 equal sides, while a rectangle does not. To find the area of a rectangle, you multiple the length of one side with the base of the other, rather than squaring one side with itself, as it would be done with a square.
Examples
An example of using the area of a rectangle in the real world is when planning to plant a rectangular vegetable garden. Suppose you want to determine the amount of soil and mulch needed to cover the garden area.
First, measure the length and width of the garden plot. Let's say the garden is 8 meters long and 5 meters wide. To find the area, you use the formula for the area of a rectangle:
Area=length×width
Area=8meters×5meters
Area=40square meters
By calculating the area, you determine that the garden plot is 40 square meters. This information is essential for purchasing the right amount of soil, mulch, or fertilizer, and ensuring the entire area is adequately covered and prepared for planting.
A common real-world example of using the area of a rectangle is when planning to install new tiles in a rectangular kitchen floor. Suppose you need to determine how many tiles to buy to cover the entire floor.
First, measure the length and width of the kitchen. Let's say the kitchen is 4 meters long and 3 meters wide. To find the area, you use the formula for the area of a rectangle:
Area=length×width
Area=4 meters×3 meters
Area=12square meters
By calculating the area, you determine that the kitchen floor is 12 square meters. If each tile covers 1 square meter, you know you need to purchase 12 tiles to cover the entire floor. This calculation helps ensure you buy the correct amount of materials, avoiding over-purchasing or running short.
