Based on the information marked in the diagram, AABC and ADEF must be congruent.
True or false

We conclude that the triangles are congruent, so the statement is true.
We can see two right triangles ABC and DEF.
In the diagram, we can see that BA = CE, and BC = EF.
And because both are right triangles, we can conclude that FD is equal to AC.
So the 3 sides are equal in both triangles, then we can conclude that the triangles are congruent.
If you want to learn more about congruent figures:
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