Question

How much would it cost to erect a fence around A4 hectare square shaped farm. If it cost rupees 23 per meter?

Answer 1

given 4 hectare =40,000square meter,(1 hectare = 10,000square meter).area of a square = a*a,(a= side of a square), a*a =40,000 ,a=200 meter ,perimeter of square = 4*a , 4*200=800 meter. so total cost=23*800=18400 Rs