
It seems simple at first - just count the triangles in the image. But there are some hidden traps that have flummoxed a umber of people online.
No, 'one big one' is not the answer.
Scroll down to find out.
The answer is 24!
Responding to the puzzle on Quora, mathematician Martin Silvertant shared this explainer:
As some users pointed out, you can count 25 triangles if you include the word 'triangle'!
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