Question

16. A car has two wipers which do not overlap. Each wiper has a blad of length 25cm sweeping through an angle 1150. Find the total Area cleaned at each sweep of the blades ​

Answer 1

Total area cleaned by 2 wipers

=2× area cleaned by 1 wiper

=2× area of sector with 115°

=2× θ/360°×πr²

=2× 115°/360°× 22/7×25²

Therefore area cleaned by wipers =

158125/ 126 cm²

=1254.96

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Answer 2

Answer:

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Explanation:

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