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GeoGebra
  • Unit 6: Properties and Attributes of Triangles
  • 5.1 Perpendicular and Angle Bisectors
  • 5.2 Bisectors of Triangles
  • 5.3 Medians and Altitudes of Triangles
  • 5.4 Triangle Midsegment Theorem
  • 5.5 Inequalities in one triangle
  • 5.6 Inequalitites in 2 Triangles
  • 5.7 Pythagorean Theorem
  • 5.8 Applying Special Right Triangles

Unit 6: Properties and Attributes of Triangles

Author:
Jamie Nordstrom
Topic:
Triangles
Unit 6: Properties and Attributes of Triangles

Table of Contents

  • 5.1 Perpendicular and Angle Bisectors

    • Perpendicular Bisector Definition
    • Angle Bisector Definition (I)
    • Angle Bisector: Construction
    • Perpendicular Bisector: Construction
  • 5.2 Bisectors of Triangles

    • Points of Concurrency: Investigation
    • Circumcenter (& Questions)
    • Circumcenter & Circumcircle Action!
    • Circumcircle: Construction Exercise (VA)
    • Incenter Exploration (A)
    • Incenter Exploration (B)
    • Incenter & Incircle Action!
    • Incircle: Construction Exercise (VA)
  • 5.3 Medians and Altitudes of Triangles

    • Medians and Centroid Dance
    • Orthocenter (& Questions)
    • Medians & Equal Areas!
    • Animation 25
    • Where in NYC? (VA)
  • 5.4 Triangle Midsegment Theorem

    • Special Line through Triangle V2 (Theorem Discovery)
    • Triangle Midsegment Action!
  • 5.5 Inequalities in one triangle

    • Triangle Inequality: Discovery Lesson
    • Triangle Side Possibilities? (V2)
    • Triangle Inequality (II)
    • Triangle Inequality
    • Inequalities in 1 Triangle
  • 5.6 Inequalitites in 2 Triangles

    • Inequalities in Two Triangles-Hinge Theorem
    • Hinge Theorem
  • 5.7 Pythagorean Theorem

    • Acute, Right, or Obtuse?
    • Acute, Right, Obtuse (III)
    • Proof Without Words
    • Proof Without Words
    • Proof Without Words
    • Proof Without Words
  • 5.8 Applying Special Right Triangles

    • Special Right Triangle (I)
    • Another Special Right Triangle (Guided Discovery)
    • Special Right Triangle (II)
Next
Perpendicular Bisector Definition

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