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Angles in a triangle add up to 180°

Author:John Tranter
Topic:Angles, Geometry
Drag the points to see how the angles change.

New Resources

  • Cartesian Notation of a Vector
  • apec
  • Assistants (custom GPTs or Gemini Gems) for Math
  • רישום חופשי
  • Perimeter of a Rectangle with Unknown Sides

Discover Resources

  • Base1
  • polly
  • Angles and Parallel lines
  • Joseph Panarelli Fibonacci Spiral
  • Inscribed and Tangent Chord Angles
  • Dilation Shape 1

Discover Topics

  • General Quadrilateral
  • Incircle or Inscribed Circle
  • Diagrams
  • Ratios
  • Linear Regression
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