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Classifying Triangles

Classifying Triangles

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Description:
  1.  

    Introduce and define the different types of triangles (equilateral, isosceles, scalene, acute, and obtuse).

  2.  

    Provide examples that demonstrate how to classify triangles by their angles and their side lengths.

  3.  

    Review how to name a triangle by its three vertices (ΔABC).

 

This packet should help a learner seeking to understand how to classify triangles by their sides and angles.

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Tutorial

Introduction to Triangles

This video defines triangles and gives the basic properties of a triangle.

Source: Justus on Guaranteach

Triangle Notation

This video explains how to name a triangle based on its vertices.

Source: Justus on Guaranteach

Acute Triangles

This video defines acute triangles.

Source: Justus on Guaranteach

Obtuse Triangles

This video defines obtuse triangles.

Source: Justus on Guaranteach

Isosceles Triangles

This video describes the properties of isosceles triangles.

Source: Justus on Guaranteach

Equilateral Triangles

This video describes the properties of equilateral triangles.

Source: JonathanE on Guaranteach

Scalene Triangles

This video describes the properties of scalene triangles.

Source: Justus on Guaranteach