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What rules can you apply to similar triangles? How can you use these rules to solve problems?

Objectives

Students will:

  1. Create conjectures about angle relationships such as interior and exterior angles in triangles.
  2. Develop an informal proof for triangle similarity using AA criterion.

Skills Needed

Students must be able to:

  1. Identify interior and exterior angles in triangles.
  2. Develop an informal proof.
  3. Explain similarity between triangles.