Question 150858
2e=3f
d=100


d+e+f=180
100+e+f=180
e+f=80


Solve for e
e=80-f


Plug that in
2(80-f)=3f


Distribute
160-2f=3f


Add 2f to both sides
160=5f


Divide both sides by 5
32=f


80-32=48
48=e


Angle E= 48 degrees
Angle F= 32 degrees