Triangle Congruence Theorems (Angle-Angle-Side)

Triangle Congruence Theorems (Angle-Angle-Side)


    Present how if two angles and the non-included side of one triangle are congruent to two angles and the corresponding non-included side of a second triangle, then the two triangles are congruent.


    Review how to use the corresponding sides and corresponding angles of two congruent triangles to write a congruence statement (ex ΔABC ΔDEF).


    Provide examples that demonstrate how to prove two triangles congruent using the AAS triangle congruence theorem.


This packet should help a learner seeking to understand how to use the triangle congruence theorem (Angle-Angle-Side) to prove triangles congruent.

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Congruent Triangles

This video explains the concept of congruent triangles.

Source: JasmineWanek on Guaranteach

AAS Congruence

This video explains the AAS Triangle Congruence Theorem and presents an example of its use.

Source: JasmineWanek on Guaranteach