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avatar+36 

Figure ABCD can be drawn, without retracing, in one continuous pen stroke. If the stroke must begin at A, B, C or D, in how many different ways can this be done?

 May 28, 2024
 #1
avatar+129514 
+1

Haven't bothered to count them but the path must start at C and  end at D   or vice-versa (beginning and  ending at vertexes with odd valences)

 

cool cool cool

 May 28, 2024
 #2
avatar+621 
0

There are two ways to draw figure ABCD.

 Jun 7, 2024

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