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

Inscribed angle theorem (Thales)

Author:John Palkovic
The inscribed angle measures half the angle of the intercepted arc.

New Resources

  • Perpendicular Lines: Quick Exploration
  • Rotating Custom Polygons Around an Axis
  • Deriving the Arc Length Formula
  • Deriving the Sector Area Formula
  • Right Triangle Inscribed in a Semicircle

Discover Resources

  • Triangle Side Angle Relation
  • pg 74 #4
  • Quiz: Average Rate of Change of a Function (3)
  • Modul 6_suyanto_smp n 1 tulang bawang udik
  • One Barrier

Discover Topics

  • Pie Chart or Circle Chart
  • Exponential Functions
  • Parabola
  • Variance
  • Division
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®