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प्रश्न
Each side of a square plot of land is 55 m. Find the cost of fencing the plot at the rate of ₹32 per meter.
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उत्तर
∵ Perimeter of square field = 4 x its side = 4 x 55 m
∴ Length of required fencing = 220 m Now, the cost of fencing = its length x its rate
= 220 m x ₹ 32 per metre?
= ₹ 7040
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