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Outline

  1. Triangle Theorems
    1. Triangle Sum Theorem
    2. Right Triangles
    3. Isosceles Triangles
    4. Triangle Inequality Theorem
    5. Exterior Angle Theorem

Triangle Theorems

Author:William Rodgers
This book includes several theorems that are important for understanding triangles. Use each applet to discover rules about a triangles angles and sides.

  • Triangle Sum Theorem

  • Right Triangles

  • Isosceles Triangles

  • Triangle Inequality Theorem

  • Exterior Angle Theorem

Next
Triangle Sum Theorem

New Resources

  • Classifying Triangles
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  • Parallelogram Anatomy
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Discover Resources

  • Interactive Color Tile Gallery
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Discover Topics

  • Pie Chart or Circle Chart
  • Orthocenter
  • Continuity
  • Hyperbola
  • General Quadrilateral
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