6. The diameter of a circular park is 56 metres. On its outside, there in 3 m
wide path, running around it. find the cost of turfing the path at 4.50 per
square metre.
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Answer:
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Step-by-step explanation:
diameter of circular path is 56 metres radius is 28 metre
area of circle =πr^2
=22/7×28×28
=2464m^2
area of second circle is r=31
=22/7×31×31
=3020.28
area of path area1-area2
3020.28-2464
=556.28
so expense=556.28×4.5
=2503.28 rupees
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