The length of a rectangular plot is 3 times its breath. There is a path that inside the rectangular plot. If the area of the path is 500 sq.m, Find the perimetre of the plot.
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Breadth = x
Length= 3x
Area = L×b
500m2= 3x×x
500m2=3x2
x2 =500÷3=1.66
x=1.66
l= 3×1.66=3.99
b = 1.66
Perimeter =2 ×(1.66+3.99)
=2 × 5.65
=11.30
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