Steps to Proving Triangles are Congruent - Neshaminy School District

Steps to Proving Triangles are Congruent

1. Label your diagram with all given information. 2. Analyze your diagram to see what else you can find to congruent. You

will be including this information in your proof. 3. Decide what method you are going to use to prove the triangles are

congruent. (Ex. SSS postulate, SAS postulate, ASA postulate, AAS Theorem, or HL theorem.) 4. Start your proof. List your given information as needed in step #1 with "Given" as your reason. (Remember some given information may be used later in the proof. Only list the given information that you need to start the proof.) 5. Continue your proof listing your congruent statements with their reasons. Remember, you must have three statements showing your sides or angles are congruent. 6. Finally, show your triangles are congruent using a congruence statement and a reason (SAS, SSS, ASA, AAS, or HL.)

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