bonjour,
1a) aire = AB*BC = 2*0,5 = 1
b) P = 2(2+0,5) = 4+1=5
2) AB = 5, BC = 0,5
aire = AB*BC=5*0,5=2,5cm2
P = ....
AB = 11, BC = 0,5
Aire = ....
3a) AB*BC
aire = 1
aire = x*BC
BC = x/1
b) P = 2(x+x/1) =
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bonjour,
1a) aire = AB*BC = 2*0,5 = 1
b) P = 2(2+0,5) = 4+1=5
2) AB = 5, BC = 0,5
aire = AB*BC=5*0,5=2,5cm2
P = ....
AB = 11, BC = 0,5
Aire = ....
P = ....
3a) AB*BC
aire = 1
aire = x*BC
BC = x/1
b) P = 2(x+x/1) =