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(Solved): The total arm and blade of a windshiold wiper is 13 in. long and rotates back and forth through an ...
The total arm and blade of a windshiold wiper is 13 in. long and rotates back and forth through an angle of 80∘. The shaded region in the figure is the portion of the windshield clearied by the 8 -in. wiper blade. What is the area of the region cleaned? The area of the region cleaned is in2 (Round to the nearest tenth as needed.)