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The area of a piece of paper is 18526m2\frac{185}{26} \, \text{m}^2 and its breadth is 3513cm\frac{35}{13} \, \text{cm}. Find its length and perimeter

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Q. The area of a piece of paper is 18526m2\frac{185}{26} \, \text{m}^2 and its breadth is 3513cm\frac{35}{13} \, \text{cm}. Find its length and perimeter
  1. Convert to meters: First, we need to convert the breadth from centimeters to meters to match the units of the area.\newline1cm=0.01m1 \, \text{cm} = 0.01 \, \text{m}\newlineBreadth in meters = (35/13)cm×(0.01m/1cm)(35/13) \, \text{cm} \times (0.01 \, \text{m} / 1 \, \text{cm})\newlineBreadth in meters = (35/13)×0.01(35/13) \times 0.01\newlineBreadth in meters = 35/1300m35/1300 \, \text{m}
  2. Find length: Now, we can use the area and the breadth to find the length. \newlineArea=Length×Breadth\text{Area} = \text{Length} \times \text{Breadth}\newlineLength=AreaBreadth\text{Length} = \frac{\text{Area}}{\text{Breadth}}\newlineLength=(185/26)m2(35/1300)m\text{Length} = \frac{(185/26) \, \text{m}^2}{(35/1300) \, \text{m}}
  3. Calculate length: To divide by a fraction, we multiply by its reciprocal.\newlineLength = (18526)×(130035)(\frac{185}{26}) \times (\frac{1300}{35})\newlineLength = (185×1300)/(26×35)(185\times1300) / (26\times35)\newlineLength = \frac{240500240500}{910910}\newlineLength = 264264.285714286285714286 \text{ m}
  4. Find perimeter: Next, we will find the perimeter of the piece of paper.\newlinePerimeter = 2×(Length+Breadth)2 \times (\text{Length} + \text{Breadth})\newlineFirst, we need to ensure that the breadth is also in meters for the calculation.\newlineBreadth = 351300\frac{35}{1300} m (from the first step)\newlinePerimeter = 2×(264.285714286m+351300m)2 \times (264.285714286 \, \text{m} + \frac{35}{1300} \, \text{m})
  5. Calculate perimeter: Now, we add the length and breadth and then multiply by 22 to get the perimeter.\newlinePerimeter = 2×(264.285714286m+351300m)2 \times (264.285714286 \, \text{m} + \frac{35}{1300} \, \text{m})\newlinePerimeter = 2×(264.285714286m+0.02692307692m)2 \times (264.285714286 \, \text{m} + 0.02692307692 \, \text{m})\newlinePerimeter = 2×(264.312637363m)2 \times (264.312637363 \, \text{m})\newlinePerimeter = 528.625274726m528.625274726 \, \text{m}

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