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I don't get this

 

Sam wants to color the three sides of an equilateral triangle.  He has two different colors to choose from.  In how many different ways can Sam color the sides of the triangle?  (Two colorings are considered the same if one coloring can be rotated and/or reflected to obtain the other coloring.)

 Mar 27, 2023
 #1
avatar+118571 
+1

The only counting you need to do is

1) all sides are the same,        2         

2) two sides are the same        2

 

=4   

 Mar 27, 2023

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