Answer:
x = 66°
Step-by-step explanation:
First, you can use exterior angle theorem to say that
[tex]m<JIH = m<JDI + m<DJI[/tex]
and you can substitute to get:
105° = 39° + m<DJI
m<DJI = 66°
m<DJI and m<AJF are vertical angles, so they equal each other:
m<DJI = m<AJF
m<AJF = x = 66°
