Răspuns :
AB=4 cm
AC=6 cm
AD=9 cm
_________
BD=?
BD=BC+CD
BC=AC-AB=6 cm - 4 cm = 2 cm
CD=AD-AC=9 cm - 6 cm = 3 cm
BD = 2 cm + 3 cm = 5 cm
AB=4 cm
AC=6 cm
AD=9 cm
_________
BD=?
BD=BC+CD
BC=AC-AB=6 cm - 4 cm = 2 cm
CD=AD-AC=9 cm - 6 cm = 3 cm
BD = 2 cm + 3 cm = 5 cm