Question

AB=AC BC=40cm perimetrul este de 1oom.AB=?AC=?

Answer 1

P=AB+BC+CA  100=AB+AC+40

DECI AB+AC=60

          AB=AC =>AB=30

                           BC=30

Answer 2

P= ab+bc+ac=100m
Daca ab=ac =>
2xAB+ 40=100
2xAB=60
AB=60:2
AB=30
AC=30