Question 131415
SOLUTION -
 
   Let the breadth be x
   
   Therefore the length is 3x  (as length is three times its breadth)

   Now perimeter is given = 800
     
    perimeter = 2(LENGTH+BREADTH)
    
     2(3X+X) = 800
   
     2(4X) = 800
    
      8X = 800
     
      8x/8 = 800/8
      
      x = 100

 Now     length = 3x = 3*100 = 300

         breadth = x = 100

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