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

Proof Without Words

Author:Rebecca Pike, Steve Phelps
Drag the points. What do you notice? What does this prove? How does this prove it?

New Resources

  • Involute of the Circle
  • 立体几何-公理3及推论
  • Adding Decimal Numbers and Shortest Path Strategies
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Padel rebound angle (ignoring spin)

Discover Resources

  • En forme 2.0 - 3e cycle
  • e) cos(cx)
  • MatA25052020Opg15b
  • Projective Conics

Discover Topics

  • Natural Numbers
  • Ellipse
  • Ratios
  • Indefinite Integral
  • Constructions
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

© 2025 GeoGebra®