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3. Area ofa rectangular field is 36 m'and its length is 9 m. What will be the minimum cost to fenceitaround at 5 per metre? |
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Answer» Area=length*breadth36=9*breadthbreadth=36/9=4mFor fencing, perimeter=2(length+breadth)=2(9+4)=2*13=26mCost of 1m=Rs5Cost of 26m=26*5=130Rs |
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