Question

2. In triunghiul ABC consideram punctul E ∈ (AB) si construim EF ║ BC , F ∈ (AC). Daca :
a) AE =2 cm , EB=4 cm si AF =3 cm , aflati FC ;
b) EB =3 cm ,AF=3 cm si FC =9 cm ,aflati AE ;
c) AE= 5 cm , AB=20 cm si AF=10 cm ,aflati AC ;
Va rog ajutati ma !!!

Answer 1

a) 2•FC=3•4
2•FC=12
FC=12:6
FC=2
b) 3•AE=3•9
3•AE=27
AE=27:3
AE=9
c) 5•AC=20•10
5•AC=200
AC=200:5
AC=40