Question

Se considera triunghiul ABC si punctele M€ AB , N€ AC astfel incat MN|| BC .Aflati lungimile segmentelor AN si NC stiind ca MN=2 cm BC= 10 cm si AC = 20cm

Answer 1

MN|| BC⇒ΔAMNasemeniΔABC⇒$\frac{AM}{AB}$=$\frac{AN}{AC}$=$\frac{MN}{BC}$⇒$\frac{AN}{20}$=$\frac{2}{10}$⇒AN=4⇒NC=20-4=16