Răspuns:
c) AD=radical AC^2-CD^2=radical1476 (Pitagora)
AD^2=BD*DC (Teorema inaltimii intr-un triunghi dreptunghic)
BD=AD^2/DC
AB=radicalBD^2+AD^2
BC=radicalAB^2+AC^2 sau BC=BD+DC
d) DC=radical AC^2-AD^2
AD^2=BD*DC rezulta BD=AD^2/DC
AB=radicalBD^2+AD^2
BC=radicalAB^2+AC^2 sau BC=BD+DC
Explicație pas cu pas:
