Question

22. The length of one side of a square field is 35m. Find the cost of fencing
the field at the rate of Rs. 20 per metre.
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Answer 1

Answer:

20x35x4 = 140x20= 2800

Answer 2

Answer:

Perimeter of square field = 4 × (side)

= 4 × 35m

= 140m

Cost of fencing per meter = Rs. 20

Cost of fencing 140m = Rs. 20 × 140m

= Rs. 2,800