Everyone Is Confused. How Many Triangles Do YOU Think There Are Here?
This one is deceptively tricky. Look harder, the answer doesn't jump out at you.
How did you do? Could you count all of them without effort? We hope you didn't cheat on the comment first ;) Please share this stimulating brainteaser with your friends to see how they do!
The true answer is hotly debated...check out the comments to see what you believe.