✅ Corrigé — Exercice 2
1) A = (8×5)/2 = 20.
2) V = π×4²×10 = 160π ≈ 502,7.
3) Base carrée : B = 6² = 36. V = (1/3)×36×9 = (1/3)×324 = 108.
4) A = (7+11)×4/2 = 18×4/2 = 36.
Cours — Géométrie
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Exercices — Géométrie
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