Răspuns :
AB=OB+IA
=18-12
=6cm
OC=OA+AB+BC
=12+6+3
=21cm
AC=AB+BC
=6+3
=9cm
MP=OA:2+AB:2+BC:2
=12:2+6:2+3:2
=6+3+1.5
=10.5
A ) [AB] = ob - oa = 18 - 12 = 6
[OC]= ob + bc = 21
[AC]= 21- 12= 9
b) ab = 6 , n - mijl . ab ⇒ an= 3 = NB
om = 21 :2 = 10.5 = mc
bp=1.5 (bc :2)
sii ... nu realizez cum sa calculez mn ...
[OC]= ob + bc = 21
[AC]= 21- 12= 9
b) ab = 6 , n - mijl . ab ⇒ an= 3 = NB
om = 21 :2 = 10.5 = mc
bp=1.5 (bc :2)
sii ... nu realizez cum sa calculez mn ...