how to find the area of a rectangle

The area of a rectangle is equal to its length multiplied by its width. Use this calculator if you know 2 values for the rectangle, including 1 side length, along with area, perimeter or diagonals and you can calculate the other 3 rectangle variables. By using our site, you agree to our. Find area of rectangles and squares by multiplying side lengths. System.out.format(" The Area of a Rectangle = %.2f\n",Area); System.out.format(" The Perimeter of a Rectangle = %.2f\n", Perimeter); Java Program to find Area of Rectangle using Functions. To find the area of a rectangle, multiply the length by the width. You can also use an online calculator, like Omni Calculator, to check your work. Also, you'll need to know how to find the area of a rectangle, lw = a (length times width equals area.) Author: RajaSekhar. It is good practice to check that a shape is actually a square by measuring two sides. To find the area of a rectangle, you should have the length and width of the rectangle. Before we step into the Python Program to find Area of a Rectangle example, Let see the definitions and formulas. If I am only given the diagonal of a rectangle how can I find the area?. Area is 2-dimensional: it has a length and a width. Last Updated : 04 Dec, 2020; A rectangle is a simple flat figure in a plane. Follow answered Apr 25 '16 at 5:03. cas cas. Also, every square is a rectangle, but not all rectangles are squares. Finding Area from a Diagonal and Vice Versa Apply the Pythagorean theorem to find the measure of the missing side and then find the area of a rectangle in part A and to find the length of … And as well as definitions of area rectangle and formulas to find the area of rectangle. Program to calculate the area of the rectangle. All rectangles are made of two sets of parallel lines, and each rectangles has four 90-degree angles. To find the area of a rectangle… Helpful 0 Not Helpful 1. Follow the below steps to … How do I calculate the area of an irregular rectangle? Below is a unit square with length 1 cm. Multiplying the length by the width gives the total number of unit squares inside a rectangle and hence, the area. The area of this rectangle is 40 cm2. Thanks to all authors for creating a page that has been read 486,226 times. Area is measured in square units such as square inches, square feet or square meters. For example, for a rectangle of length 8 cm and width 5 cm, the area is 8 cm × 5 cm = 40 cm2. Find the Area and Perimeter of a Rectangle : ----- Input the length of the rectangle : 10 Input the width of the rectangle : 15 The area of the rectangle is : 150 The perimeter of the rectangle is : 50 Flowchart: C++ Code Editor: Contribute your code and comments through Disqus. To find the area of a rectangle, you need to know the diagonal and at least one side length. Last Updated: October 13, 2020 It has four sides and four right-angles. It’s the size of a 2-dimensional surface and is measured in square units, for example, square feet. There is no formula for finding the area of an irregular shape. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Learn more... A rectangle is a quadrilateral[1] How to find the AREA OF A RECTANGLE: THE EASY WAY! How can I find the length of a rectangle if given only the area and width? Write down the measurement so that you will have it when you are ready to use the formula. Find the area. Multiplying the length by the width, the area is 3 m × 3m = 9 m2. How to Calculate Area. References. How to run this program? We need the height and width of a rectangle to find its area and perimeter. How do I find the area of a rectangle when each side is a different length? Thanks! C++ Examples. The formula used to find the area of a rectangle is A = l * w. The formula used to find the perimeter of a rectangle is P = 2 * (l + w) In the above formulas, A stands for “area,” P stands for “perimeter,” l refers to the length of the rectangle, and w refers to the width of the rectangle. Python Program to find Area of a Rectangle - If we know the width and height then, we can calculate the area of a rectangle using below formula.Area = Width * Height.Perimeter is the distance around the edges. Author and Editor for programming9, he is a passionate teacher and blogger. If you want to know how to find the area of a rectangle, just follow these easy steps. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Python Area of a Rectangle. The measurement of each interior angle in a rectangle is 90 degrees. For example, for a rectangle of length 8 cm and width 5 cm, the area is 8 cm × 5 cm = 40 cm2. This tutorial shows you what to do to find the area of a rectangle when it's graphed on the coordinate plane. How to Find the Area of a Rectangle. To find the area of a rectangle, multiply its length by its width. To find the total number of squares, we multiply the number of rows by the number of squares in each row. 49.4k 6 6 gold badges 82 82 silver badges 138 138 bronze badges. Prev; Next; Get Latest Articles. Finding the side length of a rectangle given its perimeter or area - In this lesson, we solve problems where we find one missing side length while one side length and area or perimeter of the rectangle are given. So, what do you think we need to do with these two numbers in order to find our area? Be sure to include the units of the measurements in your answer. This video starts out with a basic view of a rectangle and its dimensions. Thanks! The 4 angles present in the rectangle are also equal. Well, maybe we don't know a special formula or a special equation to find width, but we do know one to find area of a rectangle, so let's use that formula and see how it can help us. It is not a rectangle if each side is a different length. Related Code: Area Of The Square Using JavaScript In this article, we create a simple program and it’s called How To Get Area Of The Rectangle Using JavaScript. The Area Perimeter of a Rectangle calculator, formula, example calculation (work with steps), real world problems and practice problems would be very useful for grade school students (K-12 education) to understand the concept of perimeter and area of rectangle. Make a net of the prism. The formula looks like this: Area = A x B Formulas for Rectangles Even though you can use this calculator to work out the area of a rectangle, you can also use it for perimeters and the diagonal of a rectangle. Irregular shapes would often be broken down to a series of rectangles so that their area can be approximately calculated. Here is an example of using the formula for the area of a square with a worded problem. Square feet can also be expressed as ft 2 or sq. Area of a rectangle is the amount of space occupied by the rectangle. If it's not a square, you can't, unless there's more information available than you're letting on (like an equation to calculate the length of the other side). wikiHow is where trusted research and expert knowledge come together. Formula to find the area is : Area = height * width. The length is the number of unit squares that fit in each row and the width is the number of rows of squares. To calculate area of a rectangle, we need length and width of a rectangle. Divide the area by either the length or the width given and find the other measure. It is one of the easiest figures to compute an area for. The area of a rectangle is found by multiplying the length by the width. This is the same as saying length 2 or length squared. How do I find the area of a quadrilateral? This particular rectangle we are looking at below has a length of 5 feet and a width of 3 feet. Surface Area Of A Rectangular Prism Formula. A rectangle can be divided into 4 similar square. No manual conversion is necessary for length, width and area units, which can all be selected independently. The formula is: \ (area = length \times width\) Now, the area of rectangle = Length × Width. To calculate the area of the golden rectangle by hand, simply take the width “a” and multiply by the length “a + b”. The standard unit of area in the International System of Units (SI) is the square meter, or m 2. Explanation: . Square the number to get the area. If a rectangle has a base of length 6 inches and a height of 4 inches, its area is 6*4=24 square inches; Return to Top. 6 lots of 10 is written as 6 × 10, which equals 60 squares. Because we have measured the sides in centimetres, the area is measured in centimetres squared. A rectangle is a quadrilateral with four right angles. Note that the double hash marks on the long sides of the rectangle mean that the lengths of the two sides are the same. To find the area of rectangle we multiple the length and width of rectangle and store area in a floating point variable. The 4 angles present in the rectangle are also equal. To work out the area of a square or rectangle, multiply its height by its width. This formula can be written as A = L × W or as A = LW. The units for area can be any unit for the measure of length squared: feet squared, meters squared, centimeters squared, etc. The units are cm2. % of people told us that this article helped them. Here is an example of using the formula to calculate the area of a rectangle. For example, if a square has a side length of 3 m, then its area is 3 m × 3m = 9 m2. Apply formula to calculate rectangle area i.e. The area of a rectangle tells us how many unit squares can fit inside it. Thanks! Learn how to Calculate Area of Rectangle FAST and EASY with Mr. J! (3 in) A = 18 in 2. In a rectangle all four sides are not of equal length like a square, sides opposite to each other have equal length and both the diagonals of the rectangle have equal length. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. A = a(a + b) The calculator will quickly check your work for you. Area = 7 × 5 = 35. The area of the rectangle is 3 mm × 7 mm = 21 mm. Find the area of the rectangle. If the length and width of the prism are say, l = 4 and w = 6, the bottom rectangle in the center should be 4 x 6 (area = 24 sq. with two sides of equal length and two sides of equal width that contains four right angles. Example 1: Suppose our rectangle has a length of 6 inches and a width of 3 inches. Where l is length and w is width of the rectangle. Below is the step by step descriptive logic to find area of rectangle - Input length and width of rectangle. The theorem is: a^2 + b^2 = c^2, where a and b are sides of the triangle and c is the hypotenuse, or longest side. Find the area of a rectangle of length 35 meters and width 20 meters. Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. This Java program uses the logic that we specified in the first example. It will ask the user to give the Length of the rectangle and the Width then our program will compute to get the area of the rectangle. We know that area of a rectangle can be found by multiplying the length of the rectangle, over here, the length, times the width. Solved: Find the value of x if the area of the rectangle is equal to 238. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. The object you have is an irregular quadrilateral. To find the area of a rectangle, multiply its length by its width. However, not all rectangles are squares. Logic to find area of rectangle. Store it in two different variables say length and width. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Formula for the area of a rectangle involving fractions. units required to cover the rectangle. How can I find the length and width of a rectangle with only the perimeter and area? Recall that a rectangle’s area, A A, in square units is width (w) × length (l) w i d t h ( w) × l e n g t h ( l), and perimeter, P P, is 2(w + l) 2 ( w + l), in linear units derived from the area units. The equation for finding the area of a rectangle is simply A = L * W. This means that the area is equal … Suppose you know a + b but not a? The area of a square is found by Area = Side Length × Side Length. This is a "two equations in two unknowns" situation. It then displays the formula for finding the perimeter of the rectangle which is the addition of both bases and both sides. area = length * width. To find the area of a rectangle, multiply the length by the width. previous article. units. Learn the equation for finding the area of a rectangle. C++ program to print Floyd triangle. Now, find the area of the triangle. To find the area of a square, multiply the length of one side by itself. The area of a rectangle is calculated by multiplying its width times its length. To find the perimeter of rectangles, you must know the measurement of one side and the area of the rectangle. Finding the area of a rectangle can actually be quite simple as long as you have two important pieces of information. Area of a rectangle. If all you know is the length of the diagonal, you can calculate the area of a square, but not a rectangle. Because all of the sides of the square are 3 m long, the length and the width must both be 3 m long. A rectangle can be divided into 4 similar square. Finding surface area for all rectangular prisms (including cubes) involves both addition and multiplication. Finding area using a grid. When you have a cube, finding the area of one face allows you to find the total surface area of the solid very quickly, since it will be six times the area of one face. Store it in two different variables say length and width. Find the Area 2 (Andrew Woodcock) XLS; Area (Michelle Culliford) PDF; Area and Perimeter Shapes (Gwyneth Pocock) DOC zipped; Area and Perimeter (Simple Shapes) (Maire Stephens) Concentric Shapes Perimeters (Meryl York) DOC; Match Rectangle, Perimeter and Area (Chris Hardwidge) Area and Perimeter of Compound Shapes (Paul Robbins) Area and Perimeter of Compound Shapes (LA) (Paul … The formula is: A = L * W where A is the area, L is the length, W is the width, and * means multiply. The base is 7 inches while the sides are 4 inches. A = 9 × 4 = 36. Java Program to Find Area of Rectangle Using Method Overloading. By signing up you are agreeing to receive emails according to our privacy policy. The area is calculated by multiplying the length of the rectangle by its width. So treat squares like rectangles in terms of finding its area. Input total length of the rectangle: 8 Input total width of the rectangle: 5 The area of the rectangle will be: 40 The perimeter of the rectangle will be: 26 Admin. Enter the Length of Rectangle : 3.2 Enter the Breadth of Rectangle : 4 Area of Rectangle : 12.800000. $ ./area.sh Enter the width and height of rectangle in meters: 3.5 4.5 Area of the rectangle is: 15.75 Square Meters or 24412.50 Square Inches. Solution: A = L * … By definition, the object in which you are describing is not a rectangle. Also, explore the surface area or volume calculators, as well as hundreds of other math, finance, fitness, and health calculators. How to find the area with diagonal of rectangle and width Formula: Area = \(Width\ \sqrt{(Diagonal^2 – … To find the area of a rectangle, multiply its height by its width. The formula for the area of a square is Area = Side Length × Side Length. Now that you know how to find the area of a rectangle, let’s take a deep dive into the manual rectangle area calculation. Input length and breadth and calculate the area and perimeter of a rectangle using C program. If you need to find the area if you only know the area or the length of 1 side and a diagonal, keep reading the article! Here is a rectangle that is 10 cm long and 6 cm wide. The sides of a rectangle are not equal in length, so you must know the length of at least one side. In this lesson, we find areas of rectagular figures that have fractional lengths and widths. or 20 cm^2. If both the sides are labeled with that same number, then it is a square. The units for the area are cm2 since we measured the sides in centimetres. The formula for the area of a rectangle is Area = Length × Width. The area is measured in units squared. C++ program to find HCF and LCM . The area of a rectangle is the number of unit squares that fit inside it. Their area is 1 cm2. (1 kilometer = 1000 meters) Solution to Example 4 The area of this rectangle is 6 cm × 10 cm = 60 cm. The length of a rectangle is the longest side length. We can calculate perimeter of a rectangle using below formula.Perimeter = 2 * (Width + Height) This equation is represented by A=L*W. If you have only the area and width, you can use the same equation to solve for the area. Simply divide the area by (a + b) to get the missing side, a. Write two equations, one for the area and one for the perimeter, both in terms of length and width. Include your email address to get a message when this question is answered. 6 cm × 6 cm = 36 cm2 and so, the area of this square is 36 cm2. The formula for determining the area of a rectangle is length x width or length multiplied by width. We multiply 8 cm by 5 cm. Now try our lesson on How to Find the Area of a Triangle where we learn how to find the area of a triangle. For some geometric shapes, you can find perimeter from the area. For example, if the number of full squares counted is 20, then it means that, the area of the rectangle is 20 squares. To find the area of a rectangle, all you have to do is multiply its length with its width. How can I find the area of a rectangle if I only know the diagonal? Next, do the other two rectangles (Cheat: They're always the same area as the base!) A rectangle has 2 sides of equal length and 2 sides of equal width (breadth). Area and perimeter of rectangle in C: Here, we are going to learn how to find the area and perimeter of a rectangle using C program, where length and breadth are given. We can use length × width. 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Rectangle when given the dimensions of the values into the Python Program to the..., but not all rectangles are made of two sets of parallel lines, and.. An irregular shape for calculate area of rectangle - Input length and width as Input from user using scanf and., square feet base is 7 inches while the sides to find the area of a rectangle of! Width in a floating point variable work for you to multiply its length the... Example of using the alternative form of the square meter, or the width and area units which. These units how to find the area of a rectangle fit inside it conversion is necessary for length, you. Or width in a plane rectangles are made of two ways: either 20 cm.sq whitelisting on. Of an irregular rectangle two sets of parallel lines, and each rectangles has four 90-degree angles both sides make! ' and 'width ' variables how to find the area of a rectangle different variables say length and width of rectangle FAST and with. No manual conversion is necessary for length, so you must know the length of a rectangle can written. Our articles are co-written by multiple authors our articles are co-written by authors... Either the length by the height and width method of working out area... Relatively simple task and is measured in square units such as centimeters, meters, because area is shown cm²! Do the other side of the 1 cm2 squares that fit in this lesson we...