The area of playground is 1600 m2. What is the perimeter? I. It is a perfect square playground. II. It costs Rs. 3200 to put a fence around the playground at the rate of Rs. 20 per metre.
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if it's square playground then it's perimeter is 160m
total cost is 3200 and per meter is 20
so, 3200/20 = 160m
total cost is 3200 and per meter is 20
so, 3200/20 = 160m
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