Bonjour,
a) A = c × c = 4 × 4 = 16 (cm²)
b) A = L × l = 7 × 3 = 21 (mm²)
c) A = (b × h) / 2 = (6 × 3) / 2 = 9 (m²)
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Bonjour,
a) A = c × c = 4 × 4 = 16 (cm²)
b) A = L × l = 7 × 3 = 21 (mm²)
c) A = (b × h) / 2 = (6 × 3) / 2 = 9 (m²)