Viral geometry puzzle may be ill-posed: the parallel assumption doesn't hold

Fowe · x · 2026-11-10

Fowe pushes back on a viral "Find X" geometry puzzle often used to test AI reasoning: the question itself may be invalid, since you can't assume the middle line is parallel to the base. The objection highlights that these meme-style geometry benchmarks can embed unsound assumptions in the drawing itself.

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