A circular garden of diameter 2𝑟 m is to have a gravel path laid around it. The path is to be 1 m wide. a. Find the area of the garden in terms of 𝑟. b. Find the area of the garden and path together in terms of 𝑟, using the formula for the area of a circle. c. Write an expression for the area of the path in fully factorised form. d. If the radius of the garden is 5 m, then find the area of the path, correct to 2 decimal places. Show your working.
