Problem

A 1-mile race track is to be built with two straight sides of length l and semicircles a...

A 1-mile race track is to be built with two straight sides of length l and semicircles at the ends of radius r .

a. Express the area enclosed by the oval as a function of the radius r .

b. Approximate the maximum amount of area needed to construct the track.

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Solutions For Problems in Chapter 1.6

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