The length of a rectangular field is 300m and the breadth is 2/3 its length. If a road of width 10m is built along the inner wall of the field what is the area of the road.
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Length of field(l)=300m
Breadth of field (b)=2/3*300=200m
Width of path(d) =10m
Area of road=2d(l+b-2d)
=2*10(300+200-2*10)
=20*480
=9600m^2
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