Question

Ma ajuta cineva 30 de puncte va rog urgent

Answer 1

a) BC=0,12dm=1,2cm
AC=20cm
AB=AC-BC=20-1,2=18,8cm=1,88dm

b) AB=9cm
BC=1,5dm=15cm
AC=AB+BC=9+15=24cm=2,4dm

c)AB=1,4cm
AC=4,1dm=41cm
BC=AC-AB=41-1,4=39,6cm=3,96dm

d) AB=2BC=10,8cm  =>BC=10,8:2=5,4cm
AC=AB+Bc=2BC+BC=3BC=3*5,4=16,2cm