Respuesta :

jtrubach1

Basically since Angle E and F are vertical angles, you can set up these two like an equation.

So 17x+1 = 20x-14

1=3x-14

15=3x

x=5

So now take x=5 and plug it in for angle F since you need to find Angle F, which will be 20(5)-14

100-14

Angle F = 86°