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

Thm2

Author:Jon

The angle in a semi-circle is 90 degrees.

New Resources

  • Making New Year's resolutions for 2026
  • Triangle with 3 Right Angles
  • Shells
  • Volume by Disk/Washer around y
  • רישום חופשי

Discover Resources

  • Cob web diagram
  • Graphing
  • Activity 6 and 7
  • GeoGebra as a Partner and Extension of the Instructor
  • Segment Area: Quick Investigation

Discover Topics

  • Subtraction
  • Fractions
  • Circle
  • Trigonometry
  • Derivative
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®