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When a marathon runner completes 3 round around a circular track he covers a distance of 66 km.find the radius of track.

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Ujjwal gautam

  1. 3 C = 3(2 pi r) = 66*10^3 meters
    so
    r = (11/pi)10^3 meters

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    Damon

  2. I neee the ans

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    Bikke baraili

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