Whose Area is Equal to the Area of Rectangle of Length

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The perimeter (in m) of a square whose area is equal to the area of rectangle of length 13.6 m and breath 3.4 m is

  1. 18
  2. 20
  3. 27.2
  4. 17
Anurag Mishra Professor Asked on 19th July 2015 in Maths.
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    Answer: (3) 27.2 m
    Explanation:-
    The length of the rectangle = 13.6 m
    The breadth of the rectangle = 3.4 m
    Formula-
    The area of the rectangle = l x b 
    Where, l – length of the rectangle,  b – breadth of the rectangle.
    Then, the area of rectangle = 13.6 x 3.4
    = 46.26 sq. m.
    The area of rectangle = the area of square                        ( according to the question)
    Formula-
    The area of square = side x side
    Then, Side x side = 46.26
    Side = 6.8       (square root of both side)
    Formula-
    The perimeter of square = 4 x side
    = 4 x 6.8
    = 27.2 m
    Hence, the answer is (3) 27.2 m.

    Anurag Mishra Professor Answered on 19th July 2015.
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