how to find length and width in rectangle?
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Determining Length or Width When You Know the Other 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. Example: The area of a rectangle is 20 square meters, and its width is 3 meters.
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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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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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['Step 1: Measure all sides of the area in one unit (Feet, Meter, Inches or any other).', 'Step 2: Enter length of horizontal sides into Length 1 and Length 2. And Width of the vertical sides into Width 1 and Width 2. ... ', 'Step 3: Press calculate button. ... ', 'Our Formula: Area = b × h.']
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['A rectangle is a quadrilateral.', 'The opposite sides are parallel and equal to each other.', 'Each interior angle is equal to 90 degrees.', 'The diagonals bisect each other.', 'Both the diagonals have the same length.', 'A rectangle with side lengths a and b has the perimeter as 2a+2b units.']
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The perimeter of a rectangle is the total length of all the sides of the rectangle. Hence, we can find the perimeter by adding all four sides of a rectangle. Perimeter of the given rectangle is a + b + a + b.
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Given a rectangle with length l and width w, the formula for the area is: A = lw (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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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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The perimeter of a rectangle is the distance around it. The formula for finding perimeter is P = l + w + l + w or P = 2 l + 2 w. Students can find the missing side using the perimeter and the known side. Students need to remember that there are two sides that have the same length or width.
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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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The formula for the perimeter of a rectangle is often written as P = 2l + 2w, where l is the length of the rectangle and w is the width of the rectangle. The area of a two-dimensional figure describes the amount of surface the shape covers. You measure area in square units of a fixed size.
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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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Add l + l + w + w. Instead of adding two sides of your rectangle and multiplying by two, you can simply add all four sides together directly to find the perimeter of your rectangle.
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['Area of a Rectangle = Base × Height.', 'Area of a Square = Base × Height.', 'Area of a Square = s2', 'Area of Triangle = ½(Base × Height)', 'Area of Parallelogram = Base × Height.', 'Area of Trapezoid = ½(Base1 + Base2) × Height.', 'Area of Circle = π(radius)2 = πr2']
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A rectangle has two diagonals, and each is the same length. If you know side lengths of the rectangle, you can easily find the length of the diagonal using the Pythagorean Theorem, since a diagonal divides a rectangle into two right triangles.
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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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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.