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Help.

NotSoSmart  May 25, 2017
 #1
avatar+87334 
+1

 

Euler's formula says that

 

Faces + Vertices − Edges = 2

 

So

 

Faces + 13 - 28  = 2

 

Faces - 15  = 2       add  15 to both sides

 

Faces  =   17

 

 

cool cool cool

CPhill  May 25, 2017

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