Triangles: Proving Congruency: Follow-up Worksheet (High ...

However, when they occur in right triangles, the triangles must be congruent. Thus, another theorem can be used to prove triangles congruent. Remember, it applies only to right triangles. 11) Hypotenuse-Leg (HL) Theorem: If the hypotenuse and a leg of one right triangle are congruent to the corresponding parts of another right triangle, then ... ................
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