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

MA-2: Triangle in a semi-circle

Author:Mark Dawes
Topic:Circle
Make a conjecture about the triangle in a semi-circle.  Prove it.
Image

New Resources

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

Discover Resources

  • Congruent angles
  • Circumcenter
  • Turtle plays Battleship
  • Volumes of Solids - Disk & Washer Method
  • Angle Bisector Construction Action!

Discover Topics

  • Rotation
  • Ratios
  • Exponential Functions
  • Terms
  • Rational 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®