Question

triunghiul abc are semiperimetrul 18,7 cm.Aflati lungimea laturii [AC] daca:
a)AB=11,2 CM si BC=12,9cm
b)AB=10,7 cm si BC=13,5 cm

Dau funda!!!

Answer 1

semiperimetrul=P/2 deci P=2x18,7=37,4

a) AC=P-AB-BC=37,4-11,2-12,9=13,3 cm

b) AC=P-AB-BC=37,4-10,7-13,5=13,2 cm