Question 1127399
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From Geometry,  the arc length is the radius times the central angle in radians


    s = {{{r*theta}}}.


From this formula,  {{{theta}}} = {{{s/r}}} = {{{14/12}}} = {{{7/6}}} radians.


Thus the central angle is by {{{1/6}}} radian more than  one radian. 
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Solved.