Question

A wall is built around a rectangular field of length 63 meter and breadth 43 metre find the cost of constructing the wall at rupees 130 per meter​

Answer 1

Perimeter of rectangular plot=2(l+b)

therefore \: perimeter = 2 \times (63 + 47) \\ = 2 \times 110 \\ = 220m

price for one meter=130rs

so price for 220m=130*220=28600rs

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