A park is of the shape of a circle of diameter 7 m. It is surrounded by a path of width 0.7 m.
Channel: Doubtnut
Date: 2019-12-29

A park is of the shape of a circle of diameter 7 m. It is surrounded by a path of width 0.7 m. Find the expenditure of cementing the path, if its cost is Rs 110 per sq. m.