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

Thales Theorem (basic proportionality theorem)

Author:Cristina Sousa Pinto

New Resources

  • Untitled
  • רישום חופשי
  • Neuberg's Theorem
  • Tetrahedron String Art
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • logarithm
  • Sine Graph
  • Area of a Parallelogram
  • H2M 2016 P1 Q4
  • Coordinates introduction.

Discover Topics

  • Similar Triangles
  • Hypothesis Testing
  • Right Triangles
  • Median Line
  • Scalene Triangles
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®