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

USAJMO 2018 #3

Author:Tom Ahlschwede
Sketch of the 2018 USAJMO day 1 problem #3.

New Resources

  • Assistants (custom GPTs or Gemini Gems) for Math
  • רישום חופשי
  • Other Variations of Cosine
  • AI for worksheet development
  • Open Education 2026

Discover Resources

  • Ornelas, R perpendicular lines
  • MG Ptolemy"s
  • Geometry Project #9
  • Tangent from External Point
  • Parametric - trigonometry

Discover Topics

  • Unit Circle
  • Tangent Line or Tangent
  • Root
  • Incircle or Inscribed Circle
  • Pyramid
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®