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. Drag the slider. What do you notice? What does this prove? How does this prove?

New Resources

  • Circumference of a unit circle
  • z`]]
  • Untitled
  • Parallel Lines and Angles: Thinking Classroom Exploration
  • Cartesian Notation of a Vector

Discover Resources

  • Transformations of the Sine Function (MCF3M0)
  • HKMO1516GCQ1
  • Dandelin Spheres - construction and eccentricity
  • Intersección de dos cilindros 1
  • Scott Robertson Pages 36 (step-by-step)
  • G.GGMD.4 Sections of Rectangular Pyramids

Discover Topics

  • Geometric Transformations
  • Vectors 3D (Three-Dimensional)
  • Combinatorics
  • Fractal Geometry
  • Correlation
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®