Question

Daca ∆ABC~∆DEF, AB=8cm, BC=16, DE=6cm atunci EF=? cm
Varog URGENT​

Answer 1

Răspuns:

AB/ED=AC/DF=BC/EF ;  8/6=16/EF;  EF= 6 x  16/8=12

Explicație pas cu pas:

Answer 2

$\it \Delta ABC\sim \Delta\ {D\ EF} \Rightarrow \dfrac{AB}{DE}=\dfrac{BC}{EF} \Rightarrow \dfrac{8}{6}=\dfrac{16}{EF} \Rightarrow EF=\dfrac{6\cdot16}{8}=6\cdot2=12\ cm$