the perimeter of a rectangular field is 480m if it's length 160m the ratio of its breadth to its length is
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perimeter of a rectangle =480m
length=160m
breadth=2×(l+b)=480
=2×(160+b)=480
=320+2b=480
2b=480−320
b=160÷2
b=80m
ratio of length and breadth
80/160= 1/2
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