the area of rectangular field is a 1500m^2.and its perimeter is 160m. find the length and bredth of the field
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Area of field=(l×b)
1500m^2=(l×b)
l=1500/b
Perimeter of field=2×(l+b)
160m=2(l+b)
160m/2=(l+b)
80m=(l+b)
l=80-b
80-b=1500/b
b^2-80+1500=0
(b-50)(b_30)=0
length=50m
breath=30m
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