The length of rectangular plot of land is 4 meters more than its breadth. If the length is increased by 6 meters and breadth is reduced by 4 meters, the area of the plot will remain the same. Find the length and breadth of the plot.
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Step-by-step explanation:Let length=l breadth=b
l=b+20
Perimeter of plot=2(l+b)
=2(2b+20)
=4b+80
Now,
26.50×(45+80)=5300
10
26.5
×4b+
10
265
×80=5300
106b=3180
b=30
⇒
length=50m
.
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