Question

The diameter of a circular Park is 140 m . Around it on the outside, a path having the width of 7 m is constructed. If the path has to be fenced from inside and outside at the rate of Rs.7 per metre, find it's total cost.


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Answer 1

Answer:

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Step-by-step explanation:

For inside distance :

Radius = 70 m

Circumference = 2πr = 440 m

For outside distance :

Radius = 70+7=77 m

Circumference = 2πr = 484 m

Total length = 440+484=924 m

Cost = Rs.7×924=Rs.6468

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