Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Proof Without Words

Author:Steve Phelps
Topic:Pythagoras or Pythagorean Theorem
Drag the points below. What does this prove? How does this prove it?

New Resources

  • Perimeter of a Rectangle with Unknown Sides
  • apec
  • Cartesian Notation of a Vector
  • Parallel Lines and Angles: Thinking Classroom Exploration
  • Tangent Plane to a Sphere

Discover Resources

  • congruent chords
  • Parabolas & Focus
  • intersecting segments theorem
  • Chord of a circle is the diameter of the other circle
  • Quadratic Transformations

Discover Topics

  • Geometric Distribution
  • Square
  • Pie Chart or Circle Chart
  • Definite Integral
  • Arithmetic Mean
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®