The cost of constructing a wall around a circular ground at the rate of rs60/m is 26,400. Find the cost of covering the ground by RCC at the rate of ₹50/m².
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Total cost of fencing = Rs. 26,400
cost of fencing = Rs.50 per meter
Total length of fence = 26,400/50 = 528m
Thus perimeter of circular garden = 528 m
If the radius is R
2πR = 528
⇒R = 528/2π
⇒R = (528×7)/(2×22)
⇒R = 84 m
Radius is 84 m.
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