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

Euclid Book XI Prop 15

Author:Alexis Doval
Figure for Euclid Book XI Prop 15

New Resources

  • Proving Triangles Similar by Dilation
  • Two Triangle Theorem
  • Proving Triangles Similar: Multistep Transformations
  • How to Draw a Cube in 2D
  • Portions of a Sphere

Discover Resources

  • BCC Test
  • afgeleide in een punt
  • transformation 6
  • More Dilations: IM 8.2.5
  • Numble: Un juego de números diario

Discover Topics

  • Conditional Probability
  • Special Points
  • Logic
  • Step Functions
  • Power Functions
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®