Car Windshield Wiper
As illustrated in the above diagram, the distance between the centers of two car wipers is 160 and each wiper rotates 150 degrees. If the length of each wiper is also 160. what is the area of the region on the windshield that is covered by the overlap of both wipers? (Assume that the windshield is flat. You can right-click the image and open it in new tap to see larger version.)
Note: Round your answer to the thousandth place.
The answer is 15723.132.
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