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Sagot :

VINS

bonsoir

AB = x + 4

AD = x + 2

( x + 4 ) ( x + 2 ) = x² + 2 x + 4 x + 8 = x² + 6 x + 8

aire ABCD = x² + 6 x + 8

aire AEIH = x²

aire EBIF = 4 x

aire HIGD = 2 x

aire IFGC = 8

total = x² + 6 x + 8

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