the diameter of a circular park is 24m.A 3m wide path runs around it from inside. Find the cost of paving the path st Rs.25 per square meter.
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area of outer circle Pi R Square
area of inner circle Pi R Square
total area equal to Pi (12square minus 9 square )
is equal to 22/7×63
equal to 198 m square
cost of paying equals to 198 m square into rupee 25m square equals to 4950
area of inner circle Pi R Square
total area equal to Pi (12square minus 9 square )
is equal to 22/7×63
equal to 198 m square
cost of paying equals to 198 m square into rupee 25m square equals to 4950
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