Question 1194230
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Under given conditions, the circumference is 4 times the given arc length, i.e. 

    {{{4 * (5*pi)}}} = {{{20*pi}}}  inches.


To find the radius, divide the circumference by {{{2pi}}}.  You will get then the


<U>ANSWER</U>.  The radius is  {{{(20pi)/(2pi)}}} = 10 inches.
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Solved.