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avatar+1016 

help please

 May 29, 2018
 #1
avatar+99580 
+1

Arc length  =  radius *  ( theta  in rads)

 

12 pi  =  18 *  theta       divide both sides  by  18

 

12 pi  / 18  =  theta

 

2 pi / 3  =  theta  =  120°

 

 

cool cool cool

 May 29, 2018

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