Two wiper each length is 21 cm sweeping through at angle 120 the total are is glass cleaned at each sweep of blade is how
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Wipers can act radius of circle forming sector of circle.Area will be πr^2theta/360
Asthere are two wipers area =
2×π441/3=294π.
Hope it helps.
Asthere are two wipers area =
2×π441/3=294π.
Hope it helps.
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