Question

A circular flower bed is surrounded by a path 3m wide. The diameter of the flower bed is 18m. Find the cost of paving the path at Rs. 45 per square metre.
Pls ans asap
Its urgent

Answer 1

Answer:

area of bigger circle-area flower bed = 12²$\pi$-9²$\pi$

=(144-81)$\pi$=63 X 22/7=198m²

cost =area X rate=198 X45=8910