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Exploring Interior and Exterior Angles of Triangles

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Description

This hands-on geometry lesson is a fun introduction to the relationships within triangles! This guided math lesson introduces students to two geometry properties:

  • The sum of the interior angles is equal to 180 degrees
  • An exterior angle is equal to the two opposite interior angles

Included in this download:

  • Teaching tips
  • Student handout
  • Answer key

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