Each side of a square plot of land is 55 m. Find the cost of fencing the plot at the rate of Rs 32 per meter.
∵ 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 Rs 32 per meter
= Rs 7040
