The sides of the park are in the ratio of 4:3. If its area is 1728m sq. Find the cost of fencing it at the cost of 3 rupees per meter
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Step-by-step explanation:
let the sides of the park be 4x and 3x
Area of the park = 1728
length × breadth = 1728
4x × 3x = 1728
12x^2= 1728
x^2 = 1728/12
x = root 144
x = 12
hence,
length = 4×12=48
breadth = 3×12=36
perimeter = 2(48+36)
= 2×84= 168 m
cost of fencing = rs(168×30)
=rs5040
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