Pr.30,32 varog frumos ofer 40 puncte

Răspuns:
Explicație pas cu pas:
AD²=BD*DC DC=AD²/BD DC=18/6=3
BC ipotwnuza=BD+DC=6+3=9
AB²=BD*BC AB²=6*9 AB=√54=3√6
AC²=DC*BC AC²=9*3 AC=√27=3√3
32 AB²=BD*BC BC=AB²/BD BC=64/4=16
DC=BC-BD DC=16-4=12
AC²=BC*DC AC²=16*12 AC=√192 =8√3