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

Angle Theorem 2

Author:Brenden

The angle in a semicircle is 90°.

New Resources

  • Rovnoběžnost rovin
  • Slope Illustrator (2)
  • GeoGebra 3D Modeling Workshop (March 8 2024)
  • Angle Addition Postulate (V2) - Integer Solutions
  • Perpendicular Lines: Quick Exploration

Discover Resources

  • The ratio between the areas of two triangles
  • Slope
  • Activity #8: Transversal Intersects Parallel Lines (Investigation)
  • Newton's Second Law of Motion
  • Sum of all angles of a triangle is180 degree.

Discover Topics

  • Hyperbola
  • Parallelogram
  • Combinatorics
  • Similar Triangles
  • Interest Calculation
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®