how to find length and width of rectangle given area?
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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 L = A ÷ W. If you know the length and want the width, rearrange to get W = A ÷ L.
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Double the width, and subtract that from the perimeter. Then divide that number by two, which gives you the length of the rectangle. Then, multiply the result by the width to get the area.
453846
Multiply the length and width together. Once both measurements are converted into meters, multiply them together to get the measurement of the area in square meters. Use a calculator if necessary.
632147
Given a rectangle with length l and width w, the formula for the area is: ... That is, the area of the rectangle is the length multiplied by the width. As a special case, as l = w in the case of a square, the area of a square with side length s is given by the formula: A = s2 (square).
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The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared (ft2).
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['When we need to find length of a rectangle we need to divide area by breadth.', 'Length of a rectangle = Area ÷ breadth.', 'ℓ = A ÷ b.', 'Similarly, when we need to find breadth of a rectangle we need to divide area by length.', 'Breadth of a rectangle = Area ÷ length.', 'b = A ÷ ℓ']
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To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.
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The same is true for a square, but there's a key difference: For a square, the length and width are equal. If the length is L, then the area of the square is L2. If you know the area of the square, you can immediately calculate the length of each of its sides by rearranging the above equation: L = √A.
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The perimeter of a rectangle (the distance around it) can be found either by finding the sum of the lengths of the sides or by using the formula P = 2l + 2w. Since perimeter is a length or distance, the unit of measure is inches, feet, yards, or miles. The area of the rectangle is found by using the formula A = l × w.
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Finding Length and Width When You Know Area and Perimeter If you happen to know the distance around the rectangle, which is its perimeter, you can solve a pair of equations for L and W. The first equation is that for area, A = L ⋅ W, and the second is that for perimeter, P = 2L + 2W.
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If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.
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Here is the complete answer. Length = distance between (1,3) and (3,1) = √[(3-1)^2 + (1-3)^2)] = √8 = 2√2. So the area of the rectangle is 4√2 • 2√2 = 16.
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The perimeter P of a rectangle is given by the formula, P=2l+2w , where l is the length and w is the width of the rectangle. The area A of a rectangle is given by the formula, A=lw , where l is the length and w is the width.
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To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
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Find the area of two sides (Length*Height)*2 sides. Find the area of adjacent sides (Width*Height)*2 sides. Find the area of ends (Length*Width)*2 ends. Add the three areas together to find the surface area.
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Since every rectangle has four sides, if you know the perimeter, divide it by four to find the length of each side. Then find the area by multiplying the length times the width. If you know the area and want to find the minimum perimeter possible, take the square root of the area to find the length of each side.
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Area is 2-dimensional: it has a length and a width. Area is measured in square units such as square inches, square feet or square meters. To find the area of a rectangle, multiply the length by the width. ... A = L * W where A is the area, L is the length, W is the width, and * means multiply.