Răspuns:
Explicație pas cu pas:
1.
C......).........A.............)...........................B
M N
AC=2cm AB=6 cm BC=8 cm MN=3cm
CM=MA=1 cm
AN=MN-AM=3cm-1 cm=2 cm
NB=AB-AN=6cm-2 cm=4 cm
2.
A............)............P.......................B
O
AO=2 cm OP=3cm
AP=AO+OP=2cm+3cm=5 cm ⇒AB=2AP=10cm
OB=OP+PB=3cm+5cm=8cm
