Multiple choice

The area of a square is 2304 m2. Its one side is equal to the breadth of a rectangle and its length is double of its breadth. Find the perimeter of the rectangle.

  1. 288 m

  2. 3456 m

  3. 663552 m

  4. 4608 m
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A Correct answer
Explanation

 Area of square is 2304 m2 one side of square is square root of 2304
                          =48 m
 
 
one side of square is equal to the breadth of rectangle

so breadth of rectangle is  =48 m

length of rectangle is double of breadth=2x48                                                                       =96m
 
perimeter of rectangle = 2 x (l + b )                                       =2x ( 48 + 96 )
                                        = 2 x 144                                         = 288 m

 

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