3m wide path is built inside a square park of side 80 m find the cost levelling the path at rs 11 per sq.m
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The area of the path = (80×80)-(77×77)
=6400-5929=471m^2
The cost of levelling the path is= 11×471= rs.5181
=6400-5929=471m^2
The cost of levelling the path is= 11×471= rs.5181
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