Answer:
Step-by-step explanation:
AB // CD and E F is transversal
∠ E FA = ∠F ED {alternate interior angles}
∠E FA = x
In Δ AG F,
∠G FA + ∠F AG +∠AG F = 180 {angle sum property of triangle}
x + 2 x + 3 x = 180 {Combine like terms}
6 x = 180 {divide both sides by 6}
x = 180/6
x = 30
