Triunghi care contine un punct laticial

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Vlad Matei
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Triunghi care contine un punct laticial

Post by Vlad Matei »

Fie ABC un triunghi de perimetru \( 3+2\sqrt{3} \). Se stie ca in \( \mathbb{R}^2 \) orice triunghi congruent cu ABC contine un punct laticial in interior sau pe frontiera. Demonstrati ca ABC este echilateral.
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