Question

triunghirile ABC si DEF sunt asemenea 
AB=8,BC=6,DE=24 
calculati lungimea segmentului EF

Answer 1

$\frac{AB}{DE}= \frac{AC}{EF} = \frac{BC}{EF}$
$\frac{AB}{DE}=[tex] \frac{BC}{EF}$
$\frac{8}{24}$= $\frac{6}{EF}$
⇒EF=$\frac{24*6}{8}$
   EF=3*6 (in urma simplificarii)
   EF=18 cm