Based on the information marked in the diagram, ABC and DEF must be congruent.
True Or False?

Applying the HL congruence theorem, the information marked in the diagram cannot be congruent, so it is FALSE.
The HL congruence theorem states that if the corresponding legs of two right traingles are congruent, and the their hypotenuse are also congruent, then the triangles are congruent.
From the information given, we are not told if the hypotenuse of the right triangles are congruent, so we can't apply the HL congruence theorem to prove they are congruent. The answer is FALSE.
Learn more about the HL congruence theorem on:
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