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Section 20.4: SSS Triangle Congruence

Section 20.4: SSS Triangle Congruence. Objective: By following instructions, students will be able to: Use the SAS Triangle Congruence Theorem. RECALL : If sides are congruent and angles are congruent, then triangles are congruent. Side-Side-Side (SSS) Congruence Theorem.

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Section 20.4: SSS Triangle Congruence

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  1. Section 20.4: SSS Triangle Congruence

  2. Objective: By following instructions, students will be able to: • Use the SAS Triangle Congruence Theorem.

  3. RECALL: If sides are congruent and angles are congruent, then triangles are congruent.

  4. Side-Side-Side (SSS) Congruence Theorem

  5. Determine whether the given triangles are congruent. Explain you reasoning. explain 1

  6. Determine whether the given triangles are congruent. Explain you reasoning. explain 2A

  7. Determine whether the given triangles are congruent. Explain you reasoning. explain 2B

  8. Determine whether the given triangles are congruent. Explain you reasoning. Your-Turn #1 a) b)

  9. Find the value of x for which you can show the triangles are congruent. explain 3A

  10. Find the value of x for which you can show the triangles are congruent. explain 3B

  11. Your-Turn #2 Craig made a mobile using geometric shapes including triangles shaped as shown. For what value of x and y can you use a triangle congruencetheorem to show that the triangles are congruent? Which triangle congruence theorem can you use? Explain.

  12. Revisit Objective: Did we… • Use the SAS Triangle Congruence Theorem?

  13. HW: • Sec 20.4 pg 830 #s 1-13, 26

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