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EXERCICE 2 : section d'une pyramide - maths-cours.com pyramide SABCD à la pyramide SEFGH. Le coefficient de Aire = 2 ( 4 x 3 + 4 x 6 + 3 x 6) = 2 (12 + 24 + 18) = 2 x 54 = 108 m2. Correction de l'Exercice 4.
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