Répondre :
AC = x
AB = x - 1
CB = 2
P = 2+x+x-1 = 2+2x-1 = 1+2x
1+2x = 14
1-1+2x = 14 -1
2x = 13
13 / 2 = 6.5
Donc AC = 6.5 et AB = 5.5
AB = x - 1
CB = 2
P = 2+x+x-1 = 2+2x-1 = 1+2x
1+2x = 14
1-1+2x = 14 -1
2x = 13
13 / 2 = 6.5
Donc AC = 6.5 et AB = 5.5