Question

7. 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

(1) the area covered by the roads.

(ii)the cost of constructing the roads at the rate of 3 110 per m².
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Answer 1

answer in attachment

Answer:

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