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A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through

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

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Radius of the wiper of the car, r = 25 cm. 

Angle at the centre, θ = 115° 

Area of the sector = ? 

Area of blade when it is swept once

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