52. In addition to the 16 squares formed by the arrangement of the matches, the 36 individual matches are themselves squares when looked at end-on.
Inception!
Topic: Test (Read 602 times)
52. In addition to the 16 squares formed by the arrangement of the matches, the 36 individual matches are themselves squares when looked at end-on.
You're overextending yourself. 
do we count only the squares shaped with the match sticks or the squares that can be there but aren't shaped with the match sticks?
I guess 9?
I guess 9?
You only count squares outlined by matchsticks. There's sixteen.
1 4x4
1 3x3
4 2x2
9 1x1
16?
1 3x3
4 2x2
9 1x1
16?
Yours only add up to fifteen. And I see your error. Count again!
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