bonjour
6 x 4 = 24
aire totale = 24 cm²
( 3 x 2 ) / = 6/2 = 3
aire du triangle = 3 cm²
aire orange = 24 - 3 = 21 cm²
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bonjour
6 x 4 = 24
aire totale = 24 cm²
( 3 x 2 ) / = 6/2 = 3
aire du triangle = 3 cm²
aire orange = 24 - 3 = 21 cm²