A farmer divides the land as shown in the adjoining figure. In a circular part he grows onion, in the square part excluding circle he grows garlic and in the remaining part he grows the tomatoes. (a) What area is covered by onion? (b) What area is covered by garlic? (c) What area is covered by tomatoes? (d) If the farmer wants to fence all the three regions 2 times by a rope what length of rope is required?
