The sides of a rectangular park are in the ratio 3 : 2. If its area is 1532 m square, find the cost of fencing it at rupees 23.50 per metre. PLEASE HELP
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Answer:
Let the length and width be 3a and 2a
=> Area = 1536
=> 3a × 2a = 1536
=> 6a^2 = 1536
=> a^2 = 256
=> a = 16 m
Length = 48 m
Width = 32 m
Perimeter = 2( Length + Width)
= 2 × 80
= 160 m
Cost of fencing = Perimeter × Rate
= Rs 160 × 23.50
= Rs 3760
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