bonjour
a = 7² = 49 cm²
b = ( √6)² = 6 cm²
c = 14.2 ² = 201.64 cm²
d = 17 ² = 289 cm²
a= aire = 36 cm² , côté = √36 = 6 cm
aire = 45 cm² , côté = √ 45 = 3 √5 cm
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bonjour
a = 7² = 49 cm²
b = ( √6)² = 6 cm²
c = 14.2 ² = 201.64 cm²
d = 17 ² = 289 cm²
a= aire = 36 cm² , côté = √36 = 6 cm
aire = 45 cm² , côté = √ 45 = 3 √5 cm