how to find length and width if you know area?
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Determining Length or Width When You Know the Other 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.
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To find the area of a rectangle, you need two measurements: the width, or base (the longer side of the rectangle), and the length, or height (the shorter side of the rectangle). Then, just multiply them together to get the area. In other words: Area = base × height, or A = b × h for short.
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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. The formula is: A = L * W where A is the area, L is the length, W is the width, and * means multiply.
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Area of a rectangle formula To find the area of a rectangle, we multiply the length of the rectangle by the width of the rectangle.
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Because both the length and width of a square are equal, the area of a square is a2, where a is the length of a side. Since there are 6 identical sides of a cube, to find the surface area, simply multiply the area of one side times 6.
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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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To find the area of a rectangle, multiply the length by the width. The formula is: A = L * W where A is the area, L is the length, W is the width, and * means multiply.
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['For a square with side length s , the following formulas are used.', 'Perimeter = 4s.', 'Area = s2.', 'Diagonal = s√2.', 'For a circle with radius r , the following formulas are used.', 'Circumference = 2πr.', 'Area = πr2.']
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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.
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Correct answer: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides.
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The area A of a rectangle is given by the formula, A=lw , 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.
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The most basic area formula is the formula for the area of a rectangle. ... 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 area is measurement of the surface of a shape. To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. Area, A, is x times y.
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To find the surface area of a rectangular prism, measure the length, width, and height of the prism. Find the area of the top and bottom faces by multiplying the length and width of the prism. Then, calculate the area of the left and right faces by multiplying the width and height.
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The area of a rectangle is determined by multiplying its length times its width. The area of a circle is Pi (i.e., 3.14) times the square of the radius. Find the area of the shaded region by subtracting the area of the small shape from the area of the larger shape.
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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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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.