The diameter of a circular park is 56 metres. On its outside, there is 3 m wide path, running around it. Find
cost of turfing the path at 5 per square metre.(R+r)(R-r)
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Step-by-step explanation:
Internal Radius = 28 m, External Radius =
28+3=31m
Area= π(31)²-π(28)²
π[(31)²-(28)²]
= 556.0619
cost of turfing the path at 5m per square
556.0×5
= 2780.3095
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