Answer:
EC, DE, CD
Step-by-step explanation:
∠D=34° ∠C=47° ∠E= 180-34-47=99°
∠D < ∠C < ∠E
By the theorem: If one angle in a triangle is larger than another angle in a triangle, then the side opposite the larger angle will be longer than the side opposite the smaller angle.
EC < DE < CD
