how to find the length and width of a rectangle?
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For example, if a rectangle has an area of 20 square feet and a length of 10 feet, divide 20 by 10 to get a width of 2 feet. Multiply the length times 2 and subtract this figure from the perimeter, if you're given these values. Then divide by 2 to find the width.
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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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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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Set it up! Find the perimeter of the following rectangle by using the formula P=2L+2W, where L represents the legth and W represents the width of the rectangle. To find the perimeter, let L=2x+3 (the legth) and W=x+1 (the width) and plug these values into the formula P=2L+2W.
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To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle.
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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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Explanation: To find the area of a rectangle, multiply its width by its height.
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Explanation: 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. This number divided by 2 is the width.
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The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle. The perimeter, P, is: P=x+x+y+y.
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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.
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Simply divide the area of the rectangle by its height to find its base. Other forms of solving for the base can be accomplished knowing diagonal length by simply taking the square root of the diagonal length squared minus its height squared.
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Find the dimensions of the rectangle using the perimeter. For this example, suppose the perimeter is 22 feet and the length is 5 feet. Write down the perimeter equation for a rectangle: P = 2L + 2W where "P" stands for perimeter, "L" stands for the length and "W" stands for the width. Fill in the perimeter equation.
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Divide 4 by 2 to get a width of 2 inches. Take the square root of the area to find the width if the rectangle is a square. For instance, if the area of the rectangle (square) is 25 square inches, find the square root of 25. Because 5 times 5 equals 25, 5 is the square root and also the width of the rectangle.
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Using the length and width you just measured, plug them into the formula to solve for the area. Multiply the length times the width to calculate area. For example, A = l x w = 5 x 2 = 10 cm2.
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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. If you know the width, it's easy to find the length by rearranging this equation to get L = A ÷ W.
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The area of a rectangle is equal to its length multiplied by its width. 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. For example, if the area is 60 and the width is 5, your equation will look like this: 60 = x*5.