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

Angles in a semi-circle are 90 degrees

Author:williamgeorgeemeny
Topic:Angles, Circle

New Resources

  • Exploring GeoGebra for the First Time
  • Locus Related to Descartes' Folium
  • Circle Passing Through 3 Points
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Untitled

Discover Resources

  • Inscrbed reaular polygons
  • Investigating the Centroid using Transformations
  • All Up! In Area
  • Vertical Angles
  • kayliemondrion3

Discover Topics

  • Distributions
  • Tree Diagrams
  • Trigonometry
  • Probability
  • Numbers
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®