'Congruent cd' presentation slideshows

4.4 Prove Triangles Congruent by SSS

4.4 Prove Triangles Congruent by SSS. predict. You will use the side lengths to prove triangles are congruent. Essential Question: How can you use side lengths to prove triangles congruent?. You will see how to answer this question by learning the SSS Congruence Postulate.

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EXAMPLE 1

Write a proof. GIVEN. KL NL , KM NM. PROVE. KLM NLM. Proof. KL NL and KM NM. It is given that. LM LN. By the Reflexive Property,. So, by the SSS Congruence Postulate,. KLM NLM. EXAMPLE 1. Use the SSS Congruence Postulate. DFG HJK.

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