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

Example 1

Author:Walch Education
Topic:Angles
A triangle has two angles that measure 47° and 36°. What is the measure of the third angle?

New Resources

  • Publish app "Public" test
  • Pathway to Proof: Triangle Angles
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Building Trapezoids with Set Areas
  • Rolling Circles and Polygons

Discover Resources

  • Многогранники
  • Pythagoras 4-tri-in-a-sq proof
  • Mapping#2_Wu
  • All Consecutive Angle Pairs are Supplementary
  • Relection of a point across the axis

Discover Topics

  • Rectangle
  • Triangles
  • Linear Equations
  • Complex Numbers
  • Scalene 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®