Finding the Value of $n$ in a Rhombus $DBEF$

[Albert1]

$ABCD $ is a square,$CF//BD$, and $DF=DB$,point $E,$ is on $CF$
given :$DBEF$ is a rhombus
if $\angle BDF=n\angle F$(here :$n\in N)$
please find :$n=?$

 

[Albert1]

$ABCD $ is a square,$CF//BD$, and $DF=DB$,point $E,$ is on $CF$
given :$DBEF$ is a rhombus
if $\angle BDF=n\angle F$(here :$n\in N)$
please find :$n=?$

Spoiler

View attachment 2831