Answer:
Triangles A and E and C and F are congruent. Triangles B and D are not congruent.
Explanation:
We have given the figure of triangles.
We have to show that Which triangles appears not to be congruent.
Congruent triangles have equal sides and equal angles.
So, from the figure it is clear that the triangles A and E are congruent and triangles C and F are are congruent.
The triangles B and D are not congruent because they have different sides and angles.