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Which of the following best describes the relationship between ΔABC and ΔDEF?

Triangles A B C and D E F are shown.
Sides A B and D E are marked with single congruence marks.
Sides B C and E F are marked with double congruence marks.
Sides A C and D F are marked with triple congruence marks.
Angles A and D are marked with a single congruence arc.
Angles B and E are marked with double congruence arcs.
Angels C and F are marked with triple congruence arcs.

The description of the congruence marks and arcs indicate that sides AB and DE are congruent, sides BC and EF are congruent, and sides AC and DF are congruent. This indicates that triangle ABC and triangle DEF have corresponding sides that are congruent, which is characteristic of congruent triangles. Therefore, the relationship between triangle ABC and triangle DEF is that they are congruent.