The perimeter of a square is double that of rectangle. If the perimeter of the square is 120 meter, and length and breadth of the rectangle are in ratio 3:2, find the breadth of the rectangle.
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Let the length be 3x
and breadth be 2x
Perimeter of square = 2 perimeter of rectangle
120 = 2 [ 2 ( l + b ) ]
60 = 2 ( 3x + 2x )
30 = 5x
6 = x
Breadth :- 2x = 2 × 6 = 12cm
and breadth be 2x
Perimeter of square = 2 perimeter of rectangle
120 = 2 [ 2 ( l + b ) ]
60 = 2 ( 3x + 2x )
30 = 5x
6 = x
Breadth :- 2x = 2 × 6 = 12cm
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