Răspuns :
AB-a
BC-b
AC-c
a+b+c=24
a=b (ipoteza)
=>2a+c=24
Dar a-c=3
________ ''+''
3a=27 =>a=9=b =>AB=9 cm
BC-b
AC-c
a+b+c=24
a=b (ipoteza)
=>2a+c=24
Dar a-c=3
________ ''+''
3a=27 =>a=9=b =>AB=9 cm