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Dec 9th, 2016
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  1. 360/5 = 72*
  2.  
  3. 72 - 60 = 12
  4.  
  5. 180 - 12 = 2x
  6.  
  7. 180 - 12 = 168
  8. 168 = 2x
  9.  
  10. 164/2 = 2x/2
  11. x = 84
  12.  
  13. x = 66 degrees
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