Bonjour
1)
ABCDEF:
4x + 3*4= 4x+12
GHIJ = (x+2) ² = x² +4x +4
2)
4x+12= x² +4x+4
12-4 = x² +4x-4x
8 = x²
x= √8 =>2,83 cm
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Bonjour
1)
ABCDEF:
4x + 3*4= 4x+12
GHIJ = (x+2) ² = x² +4x +4
2)
4x+12= x² +4x+4
12-4 = x² +4x-4x
8 = x²
x= √8 =>2,83 cm