What is the formula for finding the area of a rectangle?

The formula for finding the area of a rectangle is determined by multiplying the length (l) by the width (w). This means that if you have a rectangle, its area is calculated by taking the measure of one side (length) and multiplying it by the measure of the adjacent side (width).

This multiplication effectively covers the entire surface of the rectangle, allowing you to determine how much space is enclosed within its boundaries. This is a fundamental concept in geometry and is essential for various applications in engineering, construction, and design.

In contrast, the other choices represent different mathematical operations that do not yield the area of a rectangle. The first choice focuses on addition, which wouldn't yield a measure of area. The second option suggests multiplying length by height, which is relevant for calculating the volume of a three-dimensional shape rather than the area of a two-dimensional rectangle. The fourth choice refers to the perimeter of a rectangle when the lengths of both dimensions are summed and multiplied by two, rather than calculating the area. Therefore, the correct formula, which is the product of length and width, is indeed essential for accurately determining the area of a rectangle.