It's October 3rd, 1920. The NFL is about to kick off its first ever game between the Dayton Triangles and the Columbus Panhandles. Four thousand people paid just $1.75 to watch the game, with each player being paid the large sum of $50 for the gam...

Dans cette vidéo, tu pourras apprendre à construire un triangle défini par les longueurs de ses 3 côtés. 👍

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