Run 6 laps 376.8X6 = 2260.8m
2) The two paths have the same length.
Description: ① The path length is 3.14x6x2 = 3.14x12.
② The path is three semi-circular arcs with the length of 3.14x2+3.14x4+3.14x6 = 3.14x (2+4+6) = 3.14x/kloc.
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