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 ABCD is a square. How many squares have two or more vertices in the set {A,B,C,D} ?

 

I got 9 and then 12, and it says that they were both incorrect!

Guest Nov 12, 2018
 #1
avatar+316 
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8 if you dont count the square ABCD and 9 if you count it 

Dimitristhym  Nov 12, 2018
 #2
avatar+14543 
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  I come up with 11 if you count ABCD  (don't forget the diagonals)....and wondering...if you use three of the vertices, then isn't it the same square ABCD.....if yes, AND you can't use ABCD, then I get only 6.

ElectricPavlov  Nov 12, 2018
edited by Guest  Nov 12, 2018
 #3
avatar+94101 
0

You are both doing better than me.

I have absolutely no idea what is being asked   frown

Melody  Nov 12, 2018

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