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

#1 Proof Without Words

Author:Hasan Bey, Steve Phelps
Topic:Geometry, Pythagoras or Pythagorean Theorem
Drag the points in the sketch below.

What do you notice? What does this prove? How does this prove it?

New Resources

  • Visualizing the Pythagorean Identity with Sine and Cosine
  • bewijs stelling van Pythagoras
  • Billard V5.2 and V6
  • Linear Systems + Relationships Between Coefficients and Solutions
  • apec

Discover Resources

  • Lengths of Segments formed by Intersecting Secants
  • Just an Isosceles Triangle
  • Malfatti's Problem - Introduction
  • negativo_angolo
  • قطر AB
  • Αντιγραφή του Properties of a Parallelogram

Discover Topics

  • Triangles
  • Coordinates
  • Calculus
  • LCM and GCD
  • Centroid or Barycenter
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®