3. The arm and blade of a windshield wiper have a total length of 30 inches from the pivot point. If the blade section i

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answerhappygod
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3. The arm and blade of a windshield wiper have a total length of 30 inches from the pivot point. If the blade section i

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3. The arm and blade of a windshield wiper have a total length of 30 inches from the pivot point. If the blade section is 24 inches long and the wiper sweeps out an angle of 140°, how much window area can the blade clean?
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