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

Investigate Vertically Opposite Angles

Author:LeeCB, amylava
Move the red points. What to you notice about the sizes of the angles?

New Resources

  • Graphing Basic and Compound Inequalities
  • Midpoint Theorem (V2): Integer Solutions
  • Deciding How New Information Affects Probability
  • Squaring a Rectangle (PST Version)
  • Rovnoběžnost rovin

Discover Resources

  • MG - Segment Products
  • appsource
  • Messing With Mona
  • Untitled
  • Proof of Pythagoras' theorem (Henry Perigal)

Discover Topics

  • Centroid or Barycenter
  • Arithmetic Operations
  • Pie Chart or Circle Chart
  • Trapezoid
  • Poisson Distribution
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®