L'aire d'un triangle par la formule de Héron est une calculatrice en ligne

La formule de Héron permet de calculer l'aire d'un triangle (S) sur les côtés a, b, c.
Le triangle forme un composé de coupures de trois points, qui ne sont pas sur la même ligne, mais les points sont appelés les sommets d'un triangle, et des coupures de ses parties.

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