Do Now #28:. 5.4 Hypotenuse-Leg (HL) Congruence Theorem Objective: To use the HL Congruence Theorem and summarize congruence postulates and theorems.

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Presentation transcript:

Do Now #28:

5.4 Hypotenuse-Leg (HL) Congruence Theorem Objective: To use the HL Congruence Theorem and summarize congruence postulates and theorems.

Side Names of Triangles Right Triangles: side across from right angle is the hypotenuse, the remaining two are legs. leg hypotenuse

Examples: Tell whether the segment is a leg or a hypotenuse.

Hypotenuse- Leg (HL) Congruence Theorem: If the hypotenuse and a leg of a right triangle are congruent to the hypotenuse and leg of a second right triangle, then the two triangles are congruent. Example: because of HL. A X B C Y Z

Examples: Determine if the triangles are congruent. State the postulate or theorem.

Triangles are congruent when you have… SSS AAS SAS ASA HL

Triangles are not congruent when you have… SSAAAA