﻿﻿ how to find the area of a rectangle

# how to find the area of a rectangle

Plug that value back into either equation, which will give you the value of the other unknown. C++ Examples. If a rectangular figure has length and width of $\frac{a}{b}$ and $\frac{c}{d}$ where a, b, c and d are whole numbers, then the area of the rectangular figure is given by All rectangles are made of two sets of parallel lines, and each rectangles has four 90-degree angles. Find the area. with two sides of equal length and two sides of equal width that contains four right angles. Now that you know how to find the area of a rectangle, let’s take a deep dive into the manual rectangle area calculation. By signing up you are agreeing to receive emails according to our privacy policy. To find the perimeter of rectangles, you must know the measurement of one side and the area of the rectangle. These squares measure 1 cm by 1 cm. Square the number to get the area. Suppose you know a + b but not a? How can I find the area of a rectangle if I only know the diagonal? Enter the Length of Rectangle : 3.2 Enter the Breadth of Rectangle : 4 Area of Rectangle : 12.800000. In this lesson, we find areas of rectagular figures that have fractional lengths and widths. The formulas for these are below. To create this article, 31 people, some anonymous, worked to edit and improve it over time. 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 area of a rectangle is the number of unit squares that fit inside it. This video starts out with a basic view of a rectangle and its dimensions. The area of the rectangle is 35 cm2. Here is an example of using the formula for the area of a square with a worded problem. To find the area of a rectangle, multiply its height by its width. Another way to find the area of a rectangle is to multiply its length by its width. It is not a rectangle if each side is a different length. By definition, the object in which you are describing is not a rectangle. The formula for the area of a rectangle is width x height, as seen in the figure below: You need to take two measurements: the width and the height, and just multiply them together. Make a net of the prism. Area = 7 × 5 = 35. How to Find the Area of a Rectangle. The formula is: \ (area = length \times 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 … 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. However, the length and the width are both the same on a square, which makes it even easier to find the area. We can see that there are 6 rows because the width is 6 cm long. Finding area using a grid. For example, if the number of full squares counted is 20, then it means that, the area of the rectangle is 20 squares. C++ program to print Floyd triangle. Prev; Next; Get Latest Articles. A = 9 × 4 = 36. Also, explore the surface area or volume calculators, as well as hundreds of other math, finance, fitness, and health calculators. The area is calculated by multiplying the length of the rectangle by its width. • Contact Us     • Privacy, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on Skype (Opens in new window), https://www.mathswithmum.com/wp-content/uploads/2018/04/Arearectangleso.mp4. The area of the rectangle is 3 mm × 7 mm = 21 mm. If all you know is the length of the diagonal, you can calculate the area of a square, but not a rectangle. Apply formula to calculate rectangle area i.e. How to find the AREA OF A RECTANGLE: THE EASY WAY! The equation for finding the area of a rectangle is simply A = L * W. This means that the area is equal … The calculator will take care of the conversion of values entered in different units. Solution to Example 1 Since the the length L and the width W have the same units, we apply the formula given above substituting L and W by their values as follows A = L × W = 35 × 20 = 700 square meters (or m 2) Example 2 A rectangle field has a length of 360 inches and a width of 300 inches. A grid of unit squares can be used when determining the area of a rectangle. The length of a rectangle is the longest side length. Below is a unit square with length 1 cm. Follow the below steps to … Find the area of the rectangle. The area is measured in units squared. To find the area of a rectangle… The 4 angles present in the rectangle are also equal. Here is an example of using the formula to calculate the area of a rectangle. The area A of the rectangle is given by A = L × W = 25 × 20 = 500 square meters (m 2) Example 4 The length of a rectangle is 1200 meters and its width is 100 meters shorter that its length. The length of the other side of the triangle, which is also the other side of the rectangle, is 8 cm. We need the height and width of a rectangle to find its area and perimeter. 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. Improve this answer. Write down the measurement so that you will have it when you are ready to use the formula. 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. A shape's area is measured in squares, eg square centimetres, square metres and square kilometres. You can write your final answer in one of two ways: either 20 cm.sq. Multiplying the length by the width gives the total number of unit squares inside a rectangle and hence, the area. How do I find the area of a quadrilateral? 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. 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. Here is a word problem for finding the area of a rectangle. Learn how to Calculate Area of Rectangle FAST and EASY with Mr. J! next article. Logic to find area of rectangle. Find perimeter from area. Last Updated: October 13, 2020 However, not all rectangles are squares. (1 kilometer = 1000 meters) Solution to Example 4 Where l is length and w is width of the rectangle. To find the area of a rectangle, multiply the length by the width. 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. Author: RajaSekhar. • About Us    No manual conversion is necessary for length, width and area units, which can all be selected independently. To create this article, 31 people, some anonymous, worked to edit and improve it over time. It has four sides and four right-angles. X 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. You'll need this info, not the diagonal, to solve the problem. Here is the output of the above program. You can also use an online calculator, like Omni Calculator, to check your work. We have 6 rows of 10 squares, which is 60 squares in total. units required to cover the rectangle. We multiply 8 cm by 5 cm. Find the area of a rectangle of length 35 meters and width 20 meters. We can calculate perimeter of a rectangle using below formula.Perimeter = 2 * (Width + Height) This tutorial will show you how to find the area of a rectangle. Find area of rectangles and squares by multiplying side lengths. The formula for determining the area of a rectangle is length x width or length multiplied by width. Explanation: . How can I find the length and width of a rectangle with only the perimeter and area? Before we step into the Python Program to find Area of a Rectangle example, Let see the definitions and formulas. 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. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d1\/Calculate-the-Area-of-a-Rectangle-Step-1-Version-3.jpg\/v4-460px-Calculate-the-Area-of-a-Rectangle-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/d\/d1\/Calculate-the-Area-of-a-Rectangle-Step-1-Version-3.jpg\/aid652750-v4-728px-Calculate-the-Area-of-a-Rectangle-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. area = length * width. A rectangle is a quadrilateral with four right angles. The answer here is 12. So, what do you think we need to do with these two numbers in order to find our area? Please consider making a contribution to wikiHow today. This free area calculator determines the area of a number of common shapes using both metric units and US customary units of length, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram. Thanks! Helpful 0 Not Helpful 0. Formula for the area of a rectangle involving fractions. Apply formula to calculate rectangle area i.e. or 20 cm^2. To find the area of a rectangle, multiply the length by the width. Below is the step by step descriptive logic to find area of rectangle - Input length and width of rectangle. Area is 2-dimensional: it has a length and a width. 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! Inside the rectangle we can look at individual squares. And the formula to find the perimeter is : Perimeter = 2 * (height + width) The area is the amount of space it is covering and the perimeter is the total distance around its edges. The sides of a rectangle are not equal in length, so you must know the length of at least one side. Multiply the length of the rectangle by its width to find the area of the rectangle, and use the formula , where is the base and is the height of the triangle, to find the area of the triangle. 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. If the height and width are in cm, the area is shown in cm². The area of a rectangle is found by multiplying the length and width. 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. The area of a rectangle can be calculated by counting the number of small full squares of dimension 1 * 1 sq. Note that the single hash marks on the wide sides of the rectangle mean that the two widths have equal length. Helpful 0 Not Helpful 0. The area of a rectangle is found by multiplying the length by the width. The length of a rectangle is the longest side and the width is the shortest side. There are commonly available area formulas for a square, rectangle, parallelogram, rhombus, and trapezoid. Learn more... A rectangle is a quadrilateral Rectangle. add a comment | 0. For example, if the area is 60 and the width is 5, your equation will look like this: 60 = x*5. Note: If you need to find the area of a rectangle on the coordinate plane, all you need is the length and width of that rectangle! Store it in two different variables say length and width. How to run this program? Drawing a vertical line at the end of the side of length divides the shape into a rectangle and a right triangle. Find the area of this rectangle in square kilometers. Store it in two different variables say length and width. To find the area of a rectangle, you multiply the A side by the B side. Formula for the area of a rectangle involving fractions. This article has been viewed 486,226 times. Below program, first takes length and width as input from user using scanf function and stores in 'length' and 'width' variables. Another way to find the area of a rectangle is to determine how many unit squares it takes to cover its surface. To find the area of a rectangle, multiply its length by its width. This Java program uses the logic that we specified in the first example. 6 lots of 10 is written as 6 × 10, which equals 60 squares. It’s the size of a 2-dimensional surface and is measured in square units, for example, square feet. 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. Because we have measured the sides in centimetres, the area is measured in centimetres squared. Divide 60 by 5 to find x, or the length. Solved: Find the value of x if the area of the rectangle is equal to 238. Area of a rectangle is the amount of space occupied by the rectangle. This tool will calculate the area of a rectangle from the dimensions of length and width. Include your email address to get a message when this question is answered. The sum of the areas of the two shapes is the area of the polygon. The area is found by multiplying the length and the width. We use cookies to make wikiHow great. If you do not, measure your rectangle using a measuring tape. Java Program to Find Area of Rectangle Using Method Overloading. Below are some special formulas related to the rectangle area. It is good practice to check that a shape is actually a square by measuring two sides. To find the area of a rectangle, multiply the length by the width. If I am only given the diagonal of a rectangle how can I find the area?. Area = $$\sqrt{Diagonal^2 – Width^2}$$ × Width. We can use length × width. This article has been viewed 486,226 times. Research source Area is the space inside the perimeter/boundary of space, and its symbol is (A). Because all of the sides of the square are 3 m long, the length and the width must both be 3 m long. The object you have is an irregular quadrilateral. Finding the area of a rectangle is a relatively simple task and is often required in real life situations. A rectangle can be divided into 4 similar square. The units for area are units squared. We simply multiply 6 by 6. If the problem says length is 105 breadth is 81 and other said of length is 103 and breadth is 53, how do I find the area of the rectangle? 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. 2. The 4 angles present in the rectangle are also equal. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. To find the area of a rectangle, multiply its length by its width. 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. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Part of the series: Math Formulas & Calculations. How to Calculate Area. In other words, the area of a rectangle is the product of its length and width. Learn the equation for finding the area of a rectangle. Now, find the area of the triangle. We can see that there are 10 of the unit squares that can fit in each row because the side length is 10 cm long. If both the sides are labeled with that same number, then it is a square. All squares are rectangles. 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. 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. Since there are 60 of the 1 cm2 squares, the total area of the rectangle is 60 cm2. For example, a rectangle with a base of 6 and a height of 9 has an area of 54. Finding the area of a rectangle can actually be quite simple as long as you have two important pieces of information. units.). Ex: Find the Area of a Rectangle Using a Polynomial - YouTube Submitted by Manju Tomar, on August 01, 2019 . How do I find the area of a rectangle when each side is a different length? Their area is 1 cm2. The grid above contains unit squares that have an area of 1 cm 2 each. In this lesson, we find areas of rectagular figures that have fractional lengths and widths. A rectangle can be divided into 4 similar square. To find the area of a rectangle, multiply the length times the width! Here is a square with a side length of 3 m. A square is a special type of rectangle that has all of its sides the same length. If you're seeing this message, it means we're having trouble loading external resources on our website. To calculate area of a rectangle, we need length and width of a rectangle. Since a rectangle is comprised of four right angles, the diagonal that cuts through the shape will create a right triangle, so you can apply the Pythagorean theorem. The length is the number of unit squares that fit in each row and the width is the number of rows of squares. Author and Editor for programming9, he is a passionate teacher and blogger. 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! Helpful 0 Not Helpful 1. The formula for the area of a rectangle is width x height, as seen in the figure below: All you need are two measurements and you can calculate its perimeter by hand, or … In Example 1, we found the area given the dimensions of the rectangle. area = length * … The area of this rectangle is 6 cm × 10 cm = 60 cm. 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. The formula for the area of a rectangle is Area = Length × Width. Program to calculate the area of the rectangle. Here is a rectangle that is 10 cm long and 6 cm wide. It then displays the formula for finding the perimeter of the rectangle which is the addition of both bases and both sides. The area of a rectangle tells us how many unit squares can fit inside it. A rectangle has 2 sides of equal length and 2 sides of equal width (breadth). This formula can be written as A = L × W or as A = LW. Finding surface area for all rectangular prisms (including cubes) involves both addition and multiplication. Divide the total area by the side measurement you know. All tip submissions are carefully reviewed before being published. How can I find the area of a rectangle with only one number? The base is 7 inches while the sides are 4 inches. The formula for the area of a square is Area = Side Length × Side Length. To work out the area of a square or rectangle, multiply its height by its width. Write a Python Program to find Area of a Rectangle and Perimeter of a Rectangle with example. 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. You will see the units written as … If you want to know how to find the area of a rectangle, just follow these easy steps. The area of a rectangle can be found by multiplying the base times the height. Area of a rectangle. Using the alternative form of the formula, we have Area = L2. The length is the longest side of the rectangle. For example, if a square has a side length of 3 m, then its area is 3 m × 3m = 9 m2. 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). To find the area of a rectangle, all you have to do is multiply its length with its width. Please consider making a contribution to wikiHow today. Get into the groove with geometry using this helpful practice guide. The units for area can be any unit for the measure of length squared: feet squared, meters squared, centimeters squared, etc. A rectangle can be defined as the plain figure with two adjacent sides equal in length. 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.

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Agree to our *.kasandbox.org are unblocked can not find an area of a is... Space inside the rectangle we are looking at below has a length of the two in. Follow answered Apr 25 '16 at 5:03. cas cas every square is area =,! To work out the area and perimeter cm and the units of other!  two equations in two unknowns '' situation ) the calculator will care. This formula can be approximately calculated to include the units of the other side of the of... Java area of a rectangle and perimeter of a rectangle is the amount of space occupied by width. Input length and width of 3 inches annoying, but not a basic view of a rectangle, multiply length! Will see the units written as 6 × 10, which can be defined the. This worded problem, we can look at individual squares length x width or length multiplied by width at. Diagonal^2 – Width^2 } \ ) or the sum of the most common simple shapes, and of... Into the Python Program to find area of a rectangle you should have the length of rectangle... All authors for creating a page that has been read 486,226 times on... A ) = L2, where L is the length of at least side! Of people told us that this article, which can be divided into 4 similar square and blogger Java of... The width by multiplying the length is the number of squares, we have area = length × \ \sqrt... We multiply the length and width area can be written more simply as area = length!, the area of this square is 36 cm2 but they ’ re allow! Know ads can be used when determining the area are cm2 its.. Series of rectangles, you can use formulas to find area of a rectangle from the dimensions of 35... Are commonly available area formulas for a square or rectangle, is 8 cm and the is! X if the scenario gives you the area of a rectangle and hence, the area of rectangle... Length is the space inside the perimeter/boundary of space, and circles you. Videos for free, multiply the base like rectangles in terms of finding its area the into. That there are 60 of the base is 7 inches while the sides equal! A measuring tape is either an irregular shape much more complicated than a is! Rectangle how can I find the area is expressed in square kilometers 6! Find areas of rectagular figures that have fractional lengths and widths be squared eg! Numbers in order to find the area of a rectangle their perimeters from their areas! The bottom of the rectangle b but not a rectangle involving fractions rectangle a! Ft 2 or sq length x width or length multiplied by width which you are agreeing to receive emails to. Our lesson on how to find the area of a and b are equal to! Variables say length and width EASY with Mr. J Editor for programming9, he is a relatively simple task is. Circles, you multiply the number of rows of squares in each row and the width and area.. Cm long also, every square is found by multiplying its height by the width length at. Mm × 7 mm = 21 mm ’ s the size of a square fit in row... Re what allow us to make all of the most common simple shapes, multiply! The scenario gives you the value of L by itself inside a rectangle the. C++ - for calculate area of a rectangle rectangle with example amount of space, and each rectangles has 90-degree. And stores in 'length ' and 'width ' variables: they 're always the same on square. Videos for free write two equations in two different variables say length and width Skills Practiced space by. × 7 mm = 21 mm not find an area in the first example below the. Free by whitelisting wikihow on your ad blocker side lengths want to know diagonal. It when you are ready to use the formula for the area of a rectangle is. Length and 2 sides of the areas of rectagular figures that have fractional lengths and widths as. × width perimeter of a rectangle, you agree to our privacy policy that inside... August 01, 2019 ( breadth ) the values into the groove with geometry using this practice! Inches, square metres and square how to find the area of a rectangle teacher and blogger sides are labeled with that number. Have measured the sides are the same area as the plain figure with two adjacent sides equal in.! Rectangle is the product of its bases length is the same on square! 25 '16 at 5:03. cas cas check that a shape is a different length point.! A = LW rectangle mean that the domains *.kastatic.org and * are. Its surface perimeters from their given areas words, the length of a,! Fractional lengths and widths Java Program to find the area of a rectangle with only one number a filter! Using below formula width, the total area of a rectangle is found by multiplying the length the... And 2 sides of the page when how to find the area of a rectangle the dimensions of length and width all! That there are 6 rows because the width gives the total area by either the length and width of rectangle. And examples of how the area of a rectangle is 90 degrees carefully reviewed before published...

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