November 2018 Brain Teaser Solution

How many squares do you see?
How many rectangles?
1 x 1 squares: 6
2 x 2 squares: 5
3 x 3 squares: 2
4 x 4 squares: 2

plus the orange square
16 squares
1 x 2 rectangles: 8
1 x 3 rectangles: 4

1 x 4 rectangles: 2

2 x 3 rectangles: 4
2 x 4 rectangles: 4
3 x 4 rectangles: 2

24 rectangles (no double counting of squares as rectangles)total of 40

 

Nov Brain Puzzler Picture

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