Answer :

Given,

Circumference of outer circle = 525m

Let radius of outer circle = R_{2}m

Let radius of inner circle = R_{1}m

So,

R_{2}-R_{1} = 14 (equation 1)

= 2πR_{2} = 525

Put value of R_{1} in equation first

= 83.52 – R_{1} = 14

= - R_{1} = 14 – 83.52

= R_{1} = 69.52m

Area of path =

Cost of leveling the path = 6733.76×.50 = Rs 3388

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