Question

the area of square piece of land 6400 sq.m . find the cost of fencing all around the land at Rs 3•50 per meter.

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Answer 1

Area of the square land = 6400 sq m.

Side of the square land = √6400 = 80 m

Distance needed for fencing the land = Perimeter of the land

=>  4 x 80 = 320 m

∴Cost of fencing the land at ₹3.50 per m = 320 x ₹3.50 = ₹1120