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
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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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Answered by
6
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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