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an arc has a length of 6 pi and a central angle measure of 120. what is the length of the radius

Guest Mar 30, 2017
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s  = rθ    where s is the arc length, r is the radius  and θ  is in radians.....so we have.....

 

6pi = r (2pi/3)    divide both sides by pi.......multiply both sides by 3/2

 

9  = r

 

 

  cool cool cool

CPhill  Mar 30, 2017

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