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How many squares are in this diagram?

 

 Jun 11, 2020
 #1
avatar+1130 
+1

there are 36+25+16+9+4+1=91 squares

 Jun 11, 2020
 #2
avatar+549 
+1

Count how many 1*1, 2*2, 3*3... n*n squares there are. Hope that helps. 

 Jun 11, 2020

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