Respuesta :

Step-by-step explanation:

Given

[tex]CF=EG\\CD=EF[/tex]

Now, CF and EG can be breakdown to written as

[tex]\Rightarrow CD+DF=EF+FG[/tex]

Now CD can be replaced by EF as they are equal

[tex]\Rightarrow EF+DF=EF+FG\\\Rightarrow DF=FG[/tex]

Hence proved