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How many rectangles are there whose four vertices are points on this 3 by 3 grid?

 

 

 Jan 19, 2018

Best Answer 

 #1
avatar+18430 
+1

9  if you count a square as a rectangle  (which it is)

 Jan 19, 2018
 #1
avatar+18430 
+1
Best Answer

9  if you count a square as a rectangle  (which it is)

ElectricPavlov Jan 19, 2018

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