Perimeter of rectangle

P = a + b + c + d P=a+b+c+d P = a + b + c + d Where P is the perimeter and a, b, c, and d are the lengths of the four sides. Rectangles are interesting, though, because they really have two pairs of two sides; two lengths, and two widths. So instead of writing out P = a + b + c + d P=a+b+c+d P = a + b + c + d you can combine terms and multiply: P = 2 × ( l e n g t h + w i d t h ) P=2\times (length+width) P = 2 × ( l e n g t h + w i d t h ) Perimeter is always expressed in the same linear measurement used for the lengths of sides. Perimeter of a rectangle formulas How to find the perimeter of a rectangle Here we have a rectangle with four vertices, D, U, C, K. Rectangle DUCK Sides DU and KC are congruent and parallel. Sides DK and UC are also congruent and parallel. That is why you only see two dimensions on the drawing. If Side KC is 17 feet, then you know side DU is 17 feet. Since side DK is 8 feet, you know side UC is 8 feet. Use either formula: How to find the perimeter of a rectangle P = 50 P=50 P = 50 See, when calculating the perimeter of DUCK using either formula, you cannot fowl it up! Perimeter of rectangles example problem Because the formulas for rectangle perimeter are so easy, they often form the foundation for word problems. Here's one: Rectangle BRAG Rectangle BRAG has a perimeter of 96 cm. Side BR is 3x − 4 long, and side BG is x + 5 wide. What are its measurements? You can still use either formulas, but you have to simplify along the way.

Perimeter of a Rectangle Word Problems There are different types of geometry word problems. One of the most common involves the perimeter which is the distance around the outside of a two-dimensional geometric shape. In this lesson, our focus is on the perimeter of a rectangle in which we’ll find the relationship between the sides of a rectangle, that is, the length and the width. The key to solving perimeter word problems is to know two things: 1) The formula of the perimeter of a rectangle. • Perimeter of a Rectangle Formula: [latex][/latex] • Remember that the length (L) is the longest side of the rectangle while the width (W) is the shortest side. 2) Being able to express the length in terms of the width and vice versa, depending on the word problem. Let’s tackle this topic by working on a variety of examples involving the perimeter of a rectangle. Just a heads up, the first five examples (word problems 1-5) can be solved by multi-step equations with one or single variable while the last three (word problems 6-8), can be solved by systems of equations with two variables. Example 1: The perimeter of a rectangle is 128 centimeters and the length is 47 centimeters. Find the width of the rectangle. The first thing that we need to do is to construct or draw a diagram based on the information given in the problem. Looking back at our problem, we were given the measurement for the length as well as the perimeter of the rectangle. With this visual, we can easily spot what piec...

Word Problems: Area and Perimeter of a Rectangle A rectangle is a The P of a rectangle is given by the formula, P = 2 l + 2 w , where l is the length and w is the width of the rectangle. The A of a rectangle is given by the formula, A = l w , where l is the length and w is the width. You will often encounter word problems where two of the values in one of these formulas are given, and you are required to find the third. Example 1: The perimeter of a rectangular pool is 56 meters. If the length of the pool is 16 meters, then find its width. Here the perimeter and the length of the rectangular pool are given. We have to find the width of the pool. The perimeter P of a rectangle is given by the formula, P = 2 l + 2 w , where l is the length and w is the width of the rectangle. Given that, the perimeter is 56 meters and the length is 16 meters. So, substitute these values into the formula. 56 = 2 ( 16 ) + 2 w Simplify. 56 = 32 + 2 w Subtract 32 from both sides. 24 = 2 w Divide each side by 2 . 12 = w Therefore, the width of the rectangular pool is 12 meters. Example 2: The area of a rectangular fence is 500 square feet. If the width of the fence is 20 feet, then find its length. Here the area and the width of the rectangular fence are given. We have to find the length of the fence. The area A of a rectangle is given by the formula, A = l w , where l is the length and w is the width. Given that, the area is 500 square feet and the width is 20 feet. So, substitute these values i...

Hello! This video explains how to find the area and perimeter of rectangles and squares. The word “perimeter” comes from a Greek prefix peri– that means “around” and a Greek root metron that means “measure.” Thus, the perimeter of a figure is the measure, or distance, around it. The word “area” is from Latin, meaning “open space.” Thus, the area of a figure is the size of the open “floor space” inside the figure. So, if you are buying stone tiles to pave a patio, you want to know the area of the patio. But if you are buying fencing to go around a patio, you want to know its perimeter. To find the perimeter of a square, add up the four sides. Since all four sides of a square are equal, we can also just multiply the length of one side by 4. This gives us a formula for the perimeter of a square. If a square has sides of length s, then the perimeter of the square is \(P=s+s+s+s\), or \(P=4s\). For example, suppose you have a small square garden plot 10 feet on each side. Then its perimeter is 4 times the side length of 10 feet, namely 40 feet. So, you would need 40 feet of fencing to build a fence around the garden. Note that perimeter is a distance, so we measure it in simple distance units like feet, inches, meters, or kilometers. Here is an example for you to try. Suppose you have a small square that measures 7 mm on each side. What is its perimeter? Be careful to state the units of your answer. Pause the video now while you work out the solution, and then press play to com...

The following is a list of definitions relating to the perimeter of a rectangle. What is perimeter? Perimeter is the distance around a two-dimensional shape. What is a rectangle? A rectangle is a two-dimensional shape that has four straight sides and four right angles (90°). What is the base? The base of the rectangle is the length of the bottom of the rectangle. What is the height? The height of the rectangle is the distance measured by drawing a line from the bottom of the rectangle to the top.

Quick navigation: • • • • • • • • • • • How to calculate the perimeter of any shape? There are different rules for calculating the perimeter of different geometrical shapes. Our perimeter calculator supports a lot of the basic shapes and below you can read details about each one, including its perimeter calculation formula. When doing the calculation, remember to take each measurement in the same unit, or to convert it to the same unit, to get valid results. Perimeter of a square The formula for the perimeter of a square is side x 4, as seen in the figure below: This is the easiest shape to calculate, as you only need to take a single measurement. You barely even need a calculator for that. It is, however, also rarely encountered in practical questions. Perimeter of a rectangle The formula for the perimeter of a rectangle is (width + height) x 2, as seen in the figure below: You need two measurements for a rectangle - width and length. Make sure both are in the same unit, or convert one of them as necessary. Due to the simplicity of the shape, measurements are easy to take and a perimeter calculator simplifies the calculation only when the numbers are big. Perimeter of a triangle The formula for the perimeter of a triangle is side a + side b + side c, but there are many rules through which one can calculate it. Visual in the figure below: Our perimeter calculator also supports the following rules: SAS (side, angle, side), SSA (side, side, angle), ASA (angle, side, angle) a...