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

SizesProp15

Author:A. G. Gomez (agg29@ou.ac.uk)
Illustration of Proposition 15 of the book On Sizes.

New Resources

  • seo tool
  • Rolling an Equilateral Triangle
  • Pathway to Proof: Triangle Angles
  • bewijs stelling van Pythagoras
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • Properties of Angles in Triangles Exploration 3
  • Test
  • Median drawn to the hypotenuse of a right triangle
  • Creating parallel lines

Discover Topics

  • Triangles
  • Polynomial Functions
  • Upper and Lower Sum or Riemann Sum
  • Addition
  • Similar 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®