One windshield wiper is 50 units long and is affixed to a swing arm which is 80 units long from pivot point to wiper-blade tip. Find the area (in square units) of the windshield is swept by the wiper blade if the swing arm turns through 115°? O 6 423 O 2 045n O 2 043n 6 422 0 6 421 O 2 042n

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