Răspunsuri

  • Utilizator Brainly
2014-02-26T11:23:41+02:00
ABC dreptunghic cu AB=AC; se aplica teorema lui Pitagora ⇒
BC²=AB²+AC²=2AB² ⇒ AB=AC=√32=4√2 cm.
P(ABC)=AB+AC+BC=8+8√2=8(√2+1) cm.