Respuesta :

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°