Q. 3

A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm. sweeping through an angle of 115o. Find the total area cleaned at each sweep of the blades.

(use π = 22/7)

Answer :

Radius = 25cm


Angle = 115°






Area of sector ACD = 627.22cm2


For 2 such wipers: 2 × 627.22


Area = 1254.45 cm2


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