Areas related to Circles ncert solutions Chapter 12 Exercise 12.2 Question 11
11. A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of . Find the total area cleaned at each sweep of the blades.
There are two wipers in the car and each one swipes area equivalent to the one shown in the above diagram.
Area of the sector shown in the diagram=
Therefore, Area swept by both wipers=