bonjour
a) AM = 8 - x
b ) aire CMNE = 8 x
c) aire MARN = 8 ( 8 - x ) = - 8 x + 64
d) si x = 2 , aire MARN = - 16 + 64 = 48 cm²
Réponse :
a) AM = CA-CM = 8-x
b) A CMNE = CM*MN = x*8 = 8x
c) A MARN = MA*AR =(8-x)8= 64-8x
d) 64-8*2=48cm²
Explications étape par étape :
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bonjour
a) AM = 8 - x
b ) aire CMNE = 8 x
c) aire MARN = 8 ( 8 - x ) = - 8 x + 64
d) si x = 2 , aire MARN = - 16 + 64 = 48 cm²
Réponse :
a) AM = CA-CM = 8-x
b) A CMNE = CM*MN = x*8 = 8x
c) A MARN = MA*AR =(8-x)8= 64-8x
d) 64-8*2=48cm²
Explications étape par étape :