SOLUTION: Please help me with this question: A certain windshield wiper is 10 inches long and it is attached at the outside end( opposite the center of rotation). If the windshield wiper swe

Question 550720: Please help me with this question: A certain windshield wiper is 10 inches long and it is attached at the outside end( opposite the center of rotation). If the windshield wiper sweeps through a 180 degree angle, what is the area cleaned by the rubber blade? State your answer in terms of pi.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A certain windshield wiper is 10 inches long and it is attached at the outside end( opposite the center of rotation). If the windshield wiper sweeps through a 180 degree angle, what is the area cleaned by the rubber blade? State your answer in terms of pi.
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Not clear what you mean about the "outside end"
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Area of a circle =
r = 10 inches
1/2 the circle = 100pi/2
= 50*pi sq inches

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