Question 559882
Two runners are to race one lap on a circular track.The radius to the inside lane is 40m. the radius to the outside lane is 41m.
 How much of a head start should the outside runner be given.
:
Find the circumference of each
:
{{{pi*82}}} = 257.6
{{{pi*80}}} = 251.3
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difference of: 6.3 head start