The figure below depicts a racetrack with ends that are semicircular. The length

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The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mile). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers to the nearest foot).

The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mi). Find / and r so that the area of the rectangular portion of the region The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mi). FindIand r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers to the nearest foot.) ft What is the area enclosed by the track in this case? (Round your answer to the nearest square foot.) ft ft2

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