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

Triangle Numbers Proof Without Words

Author:John Brown
Topic:Numbers

New Resources

  • Limaçons
  • Special Right Triangles 30°-60°-90° and 45°-45°-90°
  • Sine in Cartesian and Polar Coordinates
  • Graphing a Circle in Polar Coordinates
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Discover Resources

  • The Trefoil Knot
  • PKelly - Play overtones
  • Inscribed Semi Circle
  • Optimization, rowing and walking

Discover Topics

  • Arithmetic Mean
  • Boxplot
  • Percentages
  • Tangent Line or Tangent
  • Cuboid
AboutPartnersHelp Centre
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®