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Proving Triangles Congruent with ASA & AAS Postulates

Practice proving triangles congruent using ASA and AAS postulates and theorems. Flow proof examples and step-by-step instructions included. Determine if there is enough information given in the diagram to establish congruence between triangles.

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Proving Triangles Congruent with ASA & AAS Postulates

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  1. 4.6 Prove Triangles Congruent by ASA & AAS

  2. Postulate & Theorem

  3. practice Can the triangles be proven congruent with the information given in the diagram? If so, state the postulate or theorem you would use.

  4. Flow proof Flow Proof: uses arrows to show the flow of a logical argument.

  5. example Write a flow proof. In the diagram, , , , and . Prove that .

  6. practice State the third congruence that is needed to prove that using the given postulate or theorem.

  7. practice Decide whether enough information is given to prove that the triangles are congruent. If there is enough information, write a congruence statement AND state the congruence postulate or theorem you would use.

  8. summary

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