Answer:
(i) Area covered by the roads = Area of the rectangle PQRS + Area of the rectangle EFGH ? Area of the square KLMN \[=(\text{9}0\times \text{3}+\text{6}0\times \text{3}-\text{3}\times \text{3})\text{ }{{\text{m}}^{\text{2}}}\] \[=(\text{27}0+\text{18}0-\text{ 9})\text{ }{{\text{m}}^{\text{2}}}=\text{ 441 }{{\text{m}}^{\text{2}}}\] (ii) Cost of constructing the roads at the rate of ` 110 per \[~{{\text{m}}^{\text{2}}}\] ` \[441\times 110=\]` 48510
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