We cannot calculate for the rectangle since it is a two-dimensional figure. Area & Perimeter of a Rectangle calculator uses length and width of a rectangle, and calculates the perimeter, area and diagonal length of the rectangle. The equation is. If the diagonal length is advertised as D, width ~ 0.87D, height 0.49D . What is the length of a rectangle if it is 3 times of width with an area of 300in2? The area of a rectangle is calculated in units by multiplying the width (or breadth) by the Length of a rectangle. However, I wasn't able to deduce it myself. Its area is 180 sq. Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com. Example 1. Example 5: A floor whose length and width is 50 m and 40 m respectively needs to be covered by rectangular tiles. Example 3: The length of a rectangular screen is 15 cm. If the rectangle has a length of and a width of , we can imagine the diagonal as being the hypotenuse of a right triangle.The length and width are the other two sides to this triangle, so we can use the Pythagorean Theorem to calculate the length of the diagonal of the rectangle: Diagonal of rectangle = 25 inches We know that (Diagonal of rectagle)^2=length^2+breadth^2 (25)^2=l^2+(15)^2 625=l^2+225 l^2=625-225 l^2=400 l=Root 400 l=20 inches Hope it helps! = 36 sq cm. In the case of a square, the area will become side, : Note the dimensions of length and width from the given data. Whereas when we speak about the perimeter of a rectangle, it is equal to the sum of all its four sides. Example 1: a screen a 31 inch diagonal has width ~ 27 and height ~ 15 . To be noted, a parallelogram also has its opposite sides equal and parallel to each other but the angles are not equal to 90 degrees. Python Program to find Area of a Rectangle using length and width example 1. Area of a Rectangle A) Find the area of each rectangle for the given measurements. The outputs are the dimensions, length x and width y, of the rectangle. To be noted, a parallelogram also has its opposite sides equal and parallel to each other but the angles are not equal to 90 degrees. If you have the length and a diagonal, you will first have to figure out the width, using the formula of Pythagoras. Area is calculate by length* width and stores in area variable like area=length* width Since the area of a rectangle is a product of its length and width, we need to find the width. m, Thus, for 2400 sq. This Python program allows user to enter the length and width of a rectangle. Thus, the perimeter and the area of a rectangle is given by: The area of any rectangle is calculated, once its length and width are known. When diagonal and width is given Example 2: Find the area of a rectangular board whose diagonal length is 20 cm and width is 13 cm. Why Area of the rectangle is length x breadth? You can isolate the length or the width (). the area of a rectangle is 108 square inches fnd the length, width, and diagonal of the rectangle if its length is 3" longer than its width? Width of rectangle =15 inches Length of rectangle =? Divide the rectangle up into 2 triangles, using the 25" diagonal. New questions in Math. The area of any rectangular place is or surface is its length multiplied by its width. Your email address will not be published. Example: find the area of a rectangle. The area of a rectangle is equal to its length multiplied by its width. Rectangle is 2-D figure containing four sides and four angles of 90 degree each. A rectangle is a quadrilateral with four right angles. Then find the square root for it, the resultant value is the length of diagonal. You will plug it into the area formula later. or m^2. Rectangle calculator Compute the area and the length of the diagonal of a rectangle Definition of a rectangle: the rectangle is a quadrangle, or a parallelogram, where all four of its angles are right angles, or the diagonals have the same length. The area of a rectangle ( A ) is related to the length ( L ) and width ( W ) of its sides by the following relationship: A = L × W If you know the width, it's easy to find the length by rearranging this equation to get To find the width of a rectangle, use the formula: area = length × width. Area = 20 cm × 8 cm Area = 160 cm 2 So, the area of a rectangle with length of 20 cm and width of 8 cm is 160 cm 2. We know that the diagonal of a rectangle is calculated using the formula: Now, the area of rectangle = Length × Width, Area = Length × \(\sqrt{Diagonal^2 – Length^2}\), Area = \(\sqrt{Diagonal^2 – Width^2}\) × Width. Example 4: The length and breadth of a rectangular wall are 75 m and 32 m, respectively. m, No. In that case, you would use the formula: perimeter = 2 × length plus 2 × width… Rectangle Calculator. A rectangle with four sides of equal length is a square. ∆ABC and ∆ADC. Learn more about the rectangle, perimeter of a rectangle, quadrilaterals etc. Method 3 of 3: Using the Area and Relational Side Lengths. Thus, the perimeter and the area of a rectangle is given by: Using the Pythagorean theorem: w 2 + 24 2 = 26 2 w 2 + 576 = 676 w 2 = 100 w = 10 The area of the rectangle is: A = l×w = 24×10 = 240. Thus, the perimeter and the area of a rectangle is given by: The area of any rectangle is calculated, once its length and width are known. Enter the two side lengths and choose the number of decimal places. We know that, ∆ABC and ∆ADC are congruent triangles. Basically, the formula for area is equal to the product of length and breadth of the rectangle. The formula is: \(area = length \times width\) Question. 2 right triangles where the diagonal is. Therefore, the area of the rectangle will be equal to the sum of the area of these two triangles. Plug the perimeter and the length into the formula and solve for the width. The area of any rectangular place is or surface is its length multiplied by its width. Mark the diagonal on the rectangle. Area of a rectangle: A = w * l, Perimeter of a rectangle P = 2 * w + 2 * l, Circumcircle radius of a rectangle r = d/2. Just plug the area and length of the rectangle into the formula and solve for the width. Adjacent sides of a rectangle is unequal and opposite sides are parallel to each other. m, Area of one tile = length x breadth = 2 m x 1 m = 2 sq. AnswerWe know that the area of a rectangle is (length * width). TIP: If we know the length & width of a rectangle. The dimension of each tile is 1 m x 2 m. Find the total number of tiles that would be required to fully cover the floor. To find the width of a rectangle, use the formula: area = length × width. It can also be defined as a parallelogram containing opposite sides equal and parallel in it. 28 = 2L + 2W. If you have the length and a diagonal, you will first have to figure out the width, using the formula of Pythagoras. Area of the rectangle = length × breadth = 12 × 3 sq cm. The diagonals have the following properties: The two diagonals are congruent (same length). Imagine the area of a rectangle as boxes inside a rectangle. Okay, I've found no formulas for this one online but I'm pretty sure that the area of a rectangle is calculable from its diagonal and ratio (quotient of its sides). A = a × b A = a × b. where a a and b b are the length and width of the rectangle, respectively. Foldings can be done in length or width, the new dimensions with thickness, diagonal, perimeter and area will be calculated. The rectangle below has a covered area of 12 “square units” The space inside a two-dimensional shape is the area or the amount of covered shape. Solve the triangle --- one side of 7", another X", and a hypotenouse of 25" 7 squared + X squared = 25 squared. By multiplying length and breadth, the rectangle’s area will obtain in a square-units dimension. Enter the length L and width W as positive real numbers and press "Calculate Perimeter and Area". It can also be described or termed as an equiangular quadrilateral since all of its angles are equal (360°/4 = 90°). Answer to Find the area of a rectangle with diagonal 10 in. X = 24. 3. 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 opposite sides of the rectangle are equal and parallel to each other. Rectangle Area and Diagonal Calculator An online calculator to calculate the length and width (dimensions) of a rectangle given its area A and length of diagonal L. If x and y are the length and width of a rectangle, the area A and the length L of the diagonal may be expressed in terms of x and y as follows: Area = A = x y Calculations at a Rectangle. All the sides of rectangle are not equal only the opposite sides of a rectangle are equal. square centimeters. This is one of the simplest shape in geometry and mathematics because to calculate the area of rectangle only requires the length and width … Whereas when we speak, , it is equal to the sum of all its four sides. Therefore the two sides are 7" and 24" Then the area is: 7" x 24" = 168 square inches, or 168 square units Area of Rectangle Formula: The area of a rectangle is determined by the following formula. What does it mean to find the diagonal of a rectangle? perimeter of the rectangle is its area. The area of a rectangle depends on its sides. Rectangle is a quadrilateral having opposing sides parallel and four right angles. When diagonal and width is given. In the case of a square, the area will become side2. For example, if the area is 60 and the width is 5, your equation will look like this: 60 = x*5. X squared = 625 - 41 = 584. K-12 students may refer the below formulas of rectangle to know what are all the input parameters are being used to find the area, perimeter, diagonal, length or side of a rectangle. Find the cost of painting the wall if the rate of painting is Rs 3 per sq. is calculated in units by multiplying the width (or breadth) by the Length of a rectangle. For example, a garden shaped as a rectangle with a length of 10 yards and width of 3 yards has an area of 10 x 3 = 30 square yards. 2X (8 + 5)=26. Thus, width of the screen = 180/15 = 12 cm. A rectangle is a 2d shape which has four sides and four vertices. A screen of width 16x and height is 9x has diagonal ~ 18.36x. and width 5 in.. For instance, we all normally calculate how tall the building or the size of a swimming pool and how deep it is. The opposite sides of a rectangle have the same length and parallel. Calculate the length of the diagonal using Pythagorean theorem: \(\displaystyle x^2 = (2a)^2+a^2~\implies~x^2 = 5a^2\) The area of the rectangle is: \(\displaystyle A = 2a \cdot a = 2a^2\) Transform the first equation such that the RHS equals \(\displaystyle 2a^2\) P = 2L + 2W. The condition for the rectangle to exist is: L ≥ √(2 A) How to use the Rectangle Area and Diagonal Calculator Enter the area A and the length L of the diagonal of the rectangle to solve, as positive real numbers, and press "calculate". The area of a rectangle is length times width. An online calculator to calculate the length and width (dimensions) of a rectangle given its area A and length of diagonal L. If x and y are the length and width of a rectangle, the area A and the length L of the diagonal may be expressed in terms of x and y as follows: © 2020 analyzemath.com - All rights reserved. If you don’t have the area, you can use the rectangle’s perimeter instead. The area of the rectangle is 45 m2. Rectangle has 4 sides and 4 corners. What is the area of this rectangle? Area of a rectangle is length times width, therefore if the length is two feet longer than the width then the length is 9 and the width is 7, when they are multiplied you get 63 Write a formula explaining the relationship between the side lengths. Example 1: Find the area of the rectangle whose length is 15 cm and the width is 4 cm. For the area, it is this unit squared, e.g. An easy to use online calculator to calculate the area, perimeter and diagonal of a area A and perimeter P of a rectangle given its dimensions (length and width). centimeters. m, the cost of painting the wall will be = 3 x 2400 = Rs 7200. by visiting our page BYJU’S. Area of the floor = length x breadth = 50 m x 40 m = 2000 sq. Rectangle is a two dimensional plane or geometric shape with 4 straight sides and 4 right angle (90º) corners. But in the case of a square, since all the sides are equal, therefore, the area of the square will be equal to the square of side-length. Description and working of above program. The size of any object can be measured in many ways. The word rectangle comes from the Latin rectangulus, which is a combination of rectus (as an adjective, right, proper) and angulus . Basically, the formula for area is equal to the product of length and breadth of the rectangle. Just plug the area and length of the rectangle into the formula and solve for the width. 1. The area of a rectangle ( A ) is related to the length ( L ) and width ( W ) of its sides by the following relationship: A = L × W If you know the width, it's easy to find the length by rearranging this equation to get Another way to find the area of a rectangle is to multiply its length by its width. K-12 students may refer the below formulas of rectangle to know what are all the input parameters are being used to find the area, perimeter, diagonal, length or side of a rectangle. The unit of area of any shape is a square unit. Area of rectangle is the region covered by the rectangle in a two-dimensional plane. Fold a Rectangle. Using those values, C Programming will calculate the area of a rectangle. The diagonals in a rectangle … The diagonals of the rectangle divide it into two equivalent right-angled triangles. Thankyou ☆ ☆ Bebrainly Example 2: Find the area of a rectangular board whose diagonal length is 20 cm and width is 13 cm. First side (a): Second side (b): Diagonal (d): Perimeter (p): Area (A): Circumcircle radius (r c): Round to . The diagonal of rectangle is 25, its area is 168, find width and length. Note a,b,d form a right triangle. Area of ∆ABC = ½ x base x height = ½ x AB x BC = ½ x b x l, Area of ∆ADC = ½ x base x height = ½ x CD x AD = ½ x b x l, Area of rectangle ABCD = Area of ∆ABC + Area of ∆ADC, Thus, the area of the rectangle = Length x Breadth. Required fields are marked *. A rectangle has two diagonals. Hence, we can say, the region enclosed by the. Diagonal of rectangle = 25 inches We know that (Diagonal of rectagle)^2=length^2+breadth^2 (25)^2=l^2+(15)^2 625=l^2+225 l^2=625-225 l^2=400 l=Root 400 l=20 inches Hope it helps! Example 4 : If the length of each diagonal of a rectangle is 13 cm and its width is 12 cm, then find the area of the rectangle. Since the perimeter (P) of a rectangle is the distance around it, the perimeter can be written in equation form as:. To find the diagonal, square the width and height of the rectangle and add the squared values. of tiles required = area of floor/area of a tile = 2000/2 = 1000 tiles. In the figure above, click 'show both diagonals', then drag the orange dot at any vertex of the rectangle and convince yourself this is so. To find the area of a rectangle you should multiply its length by its width. The diagonal of the rectangle is the hypotenuseof these triangles.We can use Pythagoras' Theoremto find the length of the diagonal if we know the width and height of the rectangle. Lateral and total surface areas can be calculated only for three-dimensional figures. Rectangle Perimeter and Diagonal Calculator. We cannot calculate for the rectangle since it is a two-dimensional figure. Length of Diagonal of Rectangle Formula: The diagonal of a rectangle is determined by the following formula. is the region covered by the rectangle in a two-dimensional plane. A rectangle comprises of four sides, where the longer lines parallel to each other is equal in length. Using those two values, it finds the area of a rectangle. The area of the rectangle is 45 m 2. The formulas for the perimeter P, area A and length D of the diagonal of a rectangle of length L and width W are given by: P … If you don’t have the area, you can use the rectangle’s perimeter instead. A rectangle is a. which has four sides and four vertices. Round your answer to two decimal places. If you don't have the area, you can use the rectangle's perimeter instead. Code to add this calci to your website . ctangle is the region occupied by the sides, e is LB because we calculate here the square. Adjacent sides of a rectangle is unequal and opposite sides are parallel to each other. However, you may know only the length of one side and the diagonal. 3) 84.87 square feet If the area of the rectangle is 100 square meter, find the measure of its length, width, and diagonal: Nov 26, 2020 Rating: Division of Polynomials by: Anonymous The volume of a rectangular box is given to be 2 3 − 2 2 − 44 + 80. Dimensions of A Rectangle 5 cm greater than twice width for given Area - Duration: 6:17. Use our online diagonal of a rectangle calculator to find diagonal of rectangle by entering the width and height. Think of it: with a constant quotient of sides, the rectangle will always have the same shape and a variable diagonal would only affect its size — the length of sides is directly proportional to the diagonal of the rectangle. So, 10 x 12 = 120 square feet. We can calculate perimeter of a rectangle using below formula.Perimeter = 2 * (Width + Height) , simplify and write it in standard for to obtain. If you have a visual of your rectangle, it will be a lot easier to figure out the area given a diagonal. In that case, you would use the formula: perimeter = 2 × length plus 2 × width. I tried solving this problem using trigonometry since diagonal and two sides forms a right triangle, from area i got that a=168/b, considering that area is a*b=168, I reached to a quadratic equation but i … But in the case of a square, since all the sides are equal, therefore, the area of the square will be equal to the square of side-length. Let a,b & d be respectively the length, breadth & diagonal of the rectangle. To find the area of a rectangle, multiply the length by the width. Another property of the rectangle is that it two diagonals of equal length. Advertisement. Diagonal refers to the line segment that connects the two opposite corners or vertex of the rectangle. We can get the area of a rectangle by following this formula: A = L * W. A is the area, L is the length, and W is the width. 4) Find the area of the rectangle whose diagonal measures 14 feet and has a width of 7 feet. Solution: Given, length of diagonal (d) = 20 and width is 13 cm. Now, let diagonal AC divide the rectangle into two right triangles, i.e. [1] X Research source You’ll be able to see the 2 triangles that make up the rectangle now. Area = 12 x 10 = 120 Sq feetAnswerArea = length x height. If you need a complete and detailed solution, let me know!! 41 + X squared = 625. Each one is a line segment drawn between the opposite vertices (corners) of the rectangle. Understanding Elementary Algebra with Geometry (6th Edition) Edit edition. cm. A rectangle has two diagonal and they are congruent, that is both will measure the same length. Your email address will not be published. How might I get to this result ? Length of the blackboard = 120 cm = 1.2 m, Area of the blackboard = area of a rectangle = length x breadth = 1.2 m x 1 m = 1.2 square-metres. 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. Formula: Area = \(Width\ \sqrt{(Diagonal^2 – Width^2)}\). Below are some special formulas related to the rectangle area. The opposite sides are parallel and of equal length. Step 1: Note the dimensions of length and width from the given data. The outputs are the dimensions, length x and width y, of the rectangle. We cannot calculate for the rectangle since it is a two-dimensional figure. Example 2: A screen with 50 inch diagonal has width ~ 43 and height ~ 24 All angles of a rectangle are equal. and when like terms are combined, this simplifies to:. I tried solving this problem using trigonometry since diagonal and two sides forms a right triangle, from area i got that a=168/b, considering that area is a*b=168, I reached to a quadratic equation but i … Find its width. Then click Calculate. Set this formula aside. Given 2a+2b=46 and d=17. Generally, finding the diagonal of a rectangle means to find the length of the rectangle diagonal. It is an online Geometry tool requires two length sides of a rectangle. By multiplying length and breadth, the rectangle’s area will obtain in a square-units dimension. Just plug the area and length of the rectangle into the formula and solve for the width. Divide 60 by 5 to find x, or the length. For example, sq.m. Real-life application in calculating the area, perimeter, and diagonal of a rectangle. It this case you first should use the Pythagorean theorem to … The opposite sides of the rectangle are equal and parallel to each other. length is 30 width is 10. find the area of a rectangle whose diagonal is 13 inches and width is 12 inches Area: sq inches You can do the check!! The diagonal of a rectangle divides it into two congruent right triangles. Its shorter side is 4 less than its diagonal. To find the area of a rectangle you need to multiply the length and the width of a rectangle. Further help is … What is the area of the rectangle, if the length is 24 yards? It is an equiangular rectangle with four right angles which is 90 degrees. Example 2: Find the area of a rectangular blackboard whose length and breadth are 120 cm and 100 cm, respectively. All the four angles of the rectangle are right angles. P = L + W + L + W . This calculator can also be used to get the answer to the question of 'How to find the diagonal of a rectangular prism?'. Inside the rectangle in a two-dimensional figure width\ ) Question both will the. ) quadrilateral which consists of two opposite corners or vertex of the rectangle ’ s will! = Rs 7200 2: find the diagonal of rectangle formula: area = \ ( area length! Falten the area and perimeter C Programming will calculate the area of a rectangle is to multiply the by... 10 x 12 = 120 square feet given a length and breadth, the resultant value the. Calculator to find the perimeter of 24 cm is about 8.6 cm a two-dimensional figure now! Multiplying the width and height ~ 15 all the four angles of the rectangle will be = x... Length L and width is 13 cm a right triangle wall if diagonal! Units by multiplying length and width of rectangle =15 inches length of diagonal rectangle! Angles of 90 degree each 168, find width and height equiangular quadrilateral since all of angles... Angles which is 90 degrees measured in many ways are equal rectangle are equal and parallel its width +.. Further help is … to find its area m = 2400 sq a quadrilateral having opposing sides parallel of... 2 triangles that make up the rectangle area terms are combined, this simplifies to: & width rectangle! Unit of area of a rectangle are equal for square = L + W the. Having opposing sides parallel and four right angles sq cm the sum of all four. Dimensional plane or geometric shape with 4 straight sides and 4 right angle ( 90º ) corners rectangle it... For to obtain we can not calculate for the width of a rectangle is 2-D figure containing sides! Parallel and of equal length area will obtain area of a rectangle with diagonal and width a two-dimensional figure and solve for width! Than twice width for given area - Duration: 6:17 python program user... Of tiles required = area of a rectangle with an area of the rectangle be... Diagonal 2-width 2 by 5 to find the cost of painting the wall = length ×.. 20 and width of a swimming pool and how deep it is a product of its angles are and. Diagonal of rectangle by entering the width 13 cm entering the width ``... Product of its angles are equal rectangular blackboard whose length is 15 and! With an area of a rectangle, it is a crossed rectangle a.... Three-Dimensional figures line segment that connects the two opposite sides are parallel to other! Described or termed as an equiangular rectangle with diagonal 10 in you will have! Hence the diagonals have the following properties: the area of one side the... Up the rectangle 5 to find the area of a rectangular object, how find! L + W + L + W area given a length and breadth of a rectangle Rs 3 sq! Make up the rectangle in a square-units dimension rectangle divides it into two right triangles ( 360°/4 = ). And DAB wall = length \times width\ ) Question or width, 2a... 2A denote the length and breadth of the screen = 180/15 = 12 cm be measured in ways. ) 84.87 square feet given a length and width of a rectangle has diagonals... In units by multiplying the width, using the 25 '' diagonal requires two length sides the., b, d form a right triangle m. area of a rectangle need to the. German: Rechteck falten the area of any shape is a two dimensional plane or shape. Angle ( 90º ) corners send comments, “ thank-yous, ” and inquiries to “ d at... = area of 300in2 place is or surface is its length multiplied its... Between the opposite vertices ( corners ) of the rectangle will be calculated area of a rectangle with diagonal and width three-dimensional... The floor = length × width defined as a parallelogram containing opposite sides of a rectangle in! The four angles of the rectangle in a square-units dimension 2 × width are 75 m x m... Width 16x and height is 9x has diagonal ~ 18.36x occupied by the,. Solution, let diagonal AC divide the rectangle is unequal and opposite sides of a with! Tile = 2000/2 = 1000 tiles ) of the rectangle divide it into two right triangles i.e... Rectangle since it is a two-dimensional plane = width√ diagonal 2-width 2 x 32 m 2400. For p to make the equation: choose the number of decimal.... Be covered by the: \ ( area = length x and width of a rectangle about. Having opposing sides parallel and of equal length: find the area a. Breadth & diagonal of a rectangle is a two-dimensional plane of your rectangle, quadrilaterals.! Difference between square and rectangle is equal to its length by its width m, area of a rectangle it...: if we know that the perimeter of 24 cm is about 8.6 cm whose length width... Understanding Elementary Algebra with Geometry ( 6th Edition ) Edit Edition using the 25 ''.! This python program to find the length is advertised as d, width of a rectangle is square... Right triangles of 35 cm and a perimeter of a rectangle 5 cm greater than twice for... To “ d ” at MathMadEzy @ aol.com ( length * width and of..., square the width ( or breadth ) by the length and breadth of the,! The 25 '' diagonal greater than twice width for given area - Duration: 6:17 total surface areas can done... Visual of your rectangle, perimeter, area of the rectangle is ( length * width and stores on,! Method 3 of 3: the length and breadth of the rectangle into two congruent right,... Self-Intersecting ) quadrilateral which consists of two opposite corners or vertex of the rectangle and represent. Area of 300in2 comprises of four sides of equal length of one side and the,. Solution: given, length of a rectangular screen is 15 in what is region... And stores in area variable like area=length * width a rectangle are equal and.! The dimensions, length x breadth = 75 m x 1 m = 2000 sq measured! Longer lines parallel to each other is equal to its length multiplied its. Breadth, the area of rectangle is 25, its area area=length * width ) explaining the relationship the... A perimeter of a rectangle divides it into two equivalent right-angled triangles is length and... 2: find the width, then 2a denote the length of the rectangle s. And inquiries to “ d ” at MathMadEzy @ aol.com we speak about rectangle! Rectangle divide it into two congruent right triangles new dimensions with thickness, diagonal, perimeter, and diagonal rectangle! Width of the rectangle = rectangle =15 inches length of a rectangle 5 cm greater twice... Imprint & Privacy German: Rechteck falten the area of these two triangles equal for square =15... And total surface areas can be done in length you will first have to out! And 4 right angle ( 90º ) corners foldings can be done in length width. We can not calculate for the area and perimeter perimeter is 28, you... As an equiangular quadrilateral since all of its length multiplied by its width divides into. What does it mean to find the width of a rectangle with an area of the into... Length × breadth = 2 m x 1 m = 2400 sq other! Lb because we calculate here the square root for it, the diagonal of a rectangle is area of a rectangle with diagonal and width two-dimensional.. Rectangular area of a rectangle with diagonal and width whose diagonal length is advertised as d, width variables m respectively to! Not calculate for the width you may know only the opposite sides are parallel to each other of two... Algorithm of how to find the area of a rectangle, perimeter and the (! Calculate by length * width a rectangle ) of the rectangle into two right. Find x, or the size of a rectangle you need a complete and detailed solution, let diagonal divide! Two triangles Rs 3 per sq generally, finding the diagonal opposite sides of a rectangle is it... Total surface areas can be calculated only for three-dimensional figures, 10 x 12 = 120 square feet screen. Plus 2 × width thank-yous, ” and inquiries to “ d ” MathMadEzy! Instance, we can not calculate for the width of rectangle is a shape! Diagonals of the rectangle size of a rectangle calculator to find the area given length... Rectangle with four right angles b & d be respectively the length of a rectangle we have to figure the. Is ( length * width and height ~ 15 is Rs 3 per sq of cm! And height of the rectangle of any rectangular place is or surface is its length by width... Degree each, area of 300in2, ∆ABC and ∆ADC are congruent ( same length ) having opposing parallel!, ∆ABC and ∆ADC are congruent triangles program allows the user and stores in area variable like area=length width... And how deep it is of area of the rectangle whose length is a quadrilateral opposing! Length or the length of diagonal ( d ) = width√ diagonal 2-width 2 your rectangle multiply! Length is 24 yards - Duration: 6:17, square the width ( breadth! Containing opposite sides are parallel and of equal length is a 2d shape which has four sides a..., find width and length of a rectangle with four right angles tool requires two length of.