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Through a rectangular field of length 90...

Through a rectangular field of length 90 m and breadth `60 m`, two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the fields. If the width of each road is 3 m, find (i) the area covered by the roads. (ii) the cost of constructing the roads at the rate of Rs `110` per `m^2`

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