SOLUTION: a circle is divided into five equal sectors with each sector orange, blue or green. the first sector must be orange. how many different pattern are there if adjacent sector are co

Question 991001: a circle is divided into five equal sectors with each sector orange, blue or green. the first sector must be orange. how many different pattern are there if adjacent sector are coloured differently
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!

There are only 10.  Just list them: No
need to calculate them:


    O        O        O        O        O        
  B   G    B   B    B   G    B   G    B   B    
   G B      G O      G O      O B      O G 


    O        O        O        O        O        
  G   B    G   B    G   G    G   G    G   B    
   B G      B O      B O      O B      O G 

Edwin

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