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

The Birthday ‘Paradox’

Author:Luke Janicke

New Resources

  • z`]]
  • bewijs stelling van Pythagoras
  • Double Rodin Coil Style Torus
  • Neuberg's Theorem
  • רישום חופשי

Discover Resources

  • Discovering tangent
  • illustrating the sine, cosine, and tangent ratios
  • Gange
  • Parallelograms: Discovery Labs (Step 3)
  • Unit 1, Lesson 3: Grid Moves

Discover Topics

  • Derivative
  • Pyramid
  • Fractal Geometry
  • Set Theory
  • Unit Circle
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®