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

Opposite angles of a cyclic quadrilateral

Author:John Tranter
Topic:Angles, Geometry
Drag the points to see what happens to the angle.

New Resources

  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Making New Year's resolutions for 2026
  • Reflection across a line
  • Reflection Across 2 Parallel Lines
  • Prism Drawn in 1-Point Perspective

Discover Resources

  • A nice conjecture about the centroid of a triangle.
  • Maddie Doherty similarity quiz corrections
  • pythogorasTh

Discover Topics

  • Unit Circle
  • Random Experiments
  • Conic Sections
  • Expected Value
  • Function Graph
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®