Inner edge of race track

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The inner edge of a race track is in the form of a rectangle with two semicircular ends on the shorter sides. The rectangle is 82.0 m wide and 137.0 m long. The race track is 5.50 m wide. What is the difference between the shortest path taken by following along the inner edge and the longest path around the track taken by following along the outer edge?  

Reference no: EM13672667

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