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CAP : II Géométrie

CAP : II Géométrie. A. B. C. Soit un triangle rectangle ABC, rectangle en A AB = 3 cm ; AC = 4 cm ; BC = 5 cm. E. F. D. Sur chaque côté du triangle tracer un carré extérieur au triangle, Nommer les carrés : ACDE, AFGB, BCIH. G. H. I. Calculer l’aire du carré ACDE =………………………………. A.

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CAP : II Géométrie

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  1. CAP : II Géométrie

  2. A B C Soit un triangle rectangle ABC, rectangle en A AB = 3 cm ; AC = 4 cm ; BC = 5 cm. E F D Sur chaque côté du triangle tracer un carré extérieur au triangle, Nommer les carrés : ACDE, AFGB, BCIH G H I

  3. Calculer l’aire du carré ACDE =………………………………. A B C Calculer l’aire du carré AFGB =………………………………. Calculer la somme de ces 2 aires =……………………………. Calculer l’aire du carré BCIH =……………………………….. Conclusion =……………………………………………..……. Théorème de Pythagore : dans un triangle rectangle, le carré de l’hypothénuse est égal à la somme des carrés des deux autres côtés. BC² = AB² + AC²

  4. Exercices : compléter et cocher les bonnes cases

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