The length of a rectangular field is thrice its breadth .If the perimeter of the field is 456 metres, find the dimensions of the field
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let b be x
than l = 3x
456=2(3x+x)
456=8x
57=x
b=57m
l= 3×57=171m
than l = 3x
456=2(3x+x)
456=8x
57=x
b=57m
l= 3×57=171m
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