Question

Which similarity prove this picture with explanation​

Answer 1

SAS congruency

Explanation:

we are given

• EF=DF
• FA=FD
• 
  `\angle EFA=\angle DFB`

hence,

`\displaystyle \rm \Delta EFA \cong\Delta DFB \text{ by \: SAS}`

reference:

• the Proof is resource of our textbook