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

Opposite angles

Author:Glen Reesor
Topic:Angles
  • Show that opposite angles formed by two intersecting lines are equal
  • Moveable points: All blue points

New Resources

  • Making New Year's resolutions for 2026
  • Reflection across a line
  • အခြေခံ data အခေါ်အဝေါ်များ
  • רישום חופשי
  • Triangle with 3 Right Angles

Discover Resources

  • true/ellipse-circle.ggb
  • GeogebraAlexaFredoSnowman
  • W3 Calculus Connecting the Function to the derivative algebr
  • Spiral Screw Bisection of Hyperboloid of One Sheet
  • Shannon's Parabola of Wonder 2

Discover Topics

  • Limits
  • Polynomial Functions
  • Random Experiments
  • Intersection
  • Dilation
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®