Answer:
Cannot be proven congruent.
Step-by-step explanation:
The rules of triangles congruence are 4 :
1. Angle, side, Angle (ASA)
2.Side, Angle, Side (SAS)
3. Angle, Angle, Side (AAS)
4. Side, Side, Side (SSS)
And the figure you only have 3 angles, which is not enough information to prove the triangles congruent.
So the answer is
: Cannot be proven congruent.