Geometry. Suppose a running track is constructed of a

Chapter 0, Problem 71

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Geometry. Suppose a running track is constructed of a rectangular portion that measures 2x feet wide by 2x 5 feet long. Each end of the rectangular portion consists of a semicircle whose diameter is 2x. Write a polynomial that determines the a. perimeter of the track in terms of the variable x. b. area of the track in terms of x.

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