⇨ The length and width in the case of a square are the same.
Area of rectangle formula missing width Patch#
Thus, the area of Joe’s bell pepper patch is 40 square feet.ĭetermine the area of Joe’s square-shaped corn patch.Įach side of the square patch measures 9 feet.
Plugging in the length and width we have, We know that, Area of the rectangle = length × width. The length of the bell pepper patch is 8 feet and its width is 5 feet. Now let’s take a look at a few examples that have been solved using the formula.įind the area of Joe’s rectangular bell pepper patch. And yes! This works much faster than counting squares. You’re right! We’ve derived a formula to find the area of a rectangle.Īll we need to do is just plug the dimensions and figure out the area. ✯ An area of 15 square yards (5 yards × 3 yards) We’ll assume that the length of each unit square is 1 yard, so their area is 1 square yard. Now the total number of unit squares that the pumpkin patch occupies is: There are 5 columns and 3 rows: 5 unit squares along the length and 3 unit squares along the width.
Area of rectangle formula missing width how to#
How to Find the Area of Rectangles Using Formula Hence, the area of the patch is 15 square units.īut counting squares to determine the area is not always feasible. In the above grid, the rectangle is composed of 15 unit squares. To determine the area, we need to figure out the total number of unit squares occupied by this rectangular patch. A unit square is a square whose side length is 1 unit.
The boxes you see on this grid are called unit squares. Let’s take a look at how Joe calculates the area of his pumpkin patch using a grid. How to Find the Area of Rectangles by Counting SquaresĪ simpler way of finding the area of rectangle is using a grid.
The area of a rectangle is the amount of space the rectangle or its surface occupies. In this case, we can’t tell which is bigger by just looking at them. Now, take a look at these two patches of veggies.Ĭan you identify which of them is bigger? That’s a bit tricky, isn’t it? It’s the carrot patch! You said that with just a glimpse of them, didn’t you? Let’s zoom in on the beet patch and the carrot patch.Ĭan you tell which is bigger? You’re right. Before we dive into the lesson, let’s brush up a little on why we find the area of rectangles and where we use it.
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