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.
Solution:
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=
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