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

Triangle Paradox (Missing square puzzle)

Author:Staci Alleca, Michael Borcherds, Stefan Lizelfelner
Topic:Area, Square
The two shapes have the same area. So where did the black square come from then?

New Resources

  • 分數化百分數:練習
  • Adding Decimal Numbers and Shortest Path Strategies
  • Padel rebound angle (ignoring spin)
  • The 3D Space
  • Difference engine Babbage vb 2

Discover Resources

  • Correlation & Line of Best Fit
  • Exploring Translations 5
  • Naming Congruent Triangles 4
  • Three Phase Phasors
  • Zapremina piramide

Discover Topics

  • Straight Lines
  • Standard Deviation
  • Fractions
  • Constructions
  • Stochastic Process or Random Process
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

© 2025 GeoGebra®