How many rectangles can you count in this shape?
Great, you answered "21".
See here what other people have answered:
- 21
- 30
- 11
- 17
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Interesting fact:
Mmmmm, chocolate. Ever wondered why it tastes so good? That’s because eating chocolate releases serotonin, the ‘happy’ hormone. Even the smell of chocolate increase brainwaves which cause our body to relax.