The radius of a circular garden is 7 km. If a belt of green lawn of width 1 km is developed along
the boundary of a garden and within a garden find the cost of developing lawn at the rate of Rs
1000 sq km.
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Answer:
(i) Area of circular path = Area of ring. <br> (ii) Area fo path =
. <br> (iii) Total cost = Area
cost/
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