Given:
Two right triangles ABC and DEF are given.
In which AB = DE
Required:
Find the triangles ABC and DEF must be congruent, true, or false.
Explanation:
In triangle ABC and DEF
[tex]\begin{gathered} AB=DE\text{ \lparen Given\rparen} \\ \angle A=\angle D\text{ \lparen90}\degree) \\ \angle C=\angle F \end{gathered}[/tex]Thus the triangles must be congruent.
Final Answer:
Option A is true.