Geometry · Triangles & Congruence
HL Congruence
HSG-SRT.B.5
Definition
Right triangles are congruent if their hypotenuses and one pair of legs are equal.
Examples
- Two right triangles with equal hypotenuses and one equal leg are congruent by HL.
- HL only applies to right triangles, since it relies on the hypotenuse.
Key rule
HL only works for right triangles.
Memory hook
Hypotenuse and one Leg — right triangles only.