Răspuns :
AB=BC, triunghi ABC isoscel
P ABC=AB+AB+AC
2AB+AC=22 cm
2AB+6 cm=22 cm
2AB=22 cm-6 cm
2AB=16 cm
AB=16 cm/2
AB=8 cm
AB + BC + AC = 22 } =>
AB = BC
= > 2AB + AC = 22 } => 2AB = 22 - 6 = 16 cm => AB = BC = 8 cm
AB=BC, triunghi ABC isoscel
P ABC=AB+AB+AC
2AB+AC=22 cm
2AB+6 cm=22 cm
2AB=22 cm-6 cm
2AB=16 cm
AB=16 cm/2
AB=8 cm
AB + BC + AC = 22 } =>
AB = BC
= > 2AB + AC = 22 } => 2AB = 22 - 6 = 16 cm => AB = BC = 8 cm