Answer:
C) ∠E, ∠D, ∠F
Explanation:
The angle opposite to the longest side is the largest angle.
Sides arranged in ascending order: FD < FE < DE
Angle opposite to side FD is ∠E.
Angle opposite to side FE is ∠D.
Angle opposite to side DE is ∠F.
Angles arranged in ascending order: ∠E < ∠D < ∠F