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| fractions géométrie équations opérations fondamentales de l'arithmétique trigonométrie Divers |
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| pour les triangles rectangles avec l'angle droit à c vaut: superficie = (a * b) / 2 a² + b² = c² (théorème de pythagore) a² = c * p, b² = c * q (théorème du côté de l'angle droit euclidien) h² = p * q (théorème de l'hauteur euclidien) sin alpha = a / c |
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