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

Thales' theorem-Angle in Semi Circle

Author:Sangeeta Gulati, Irina Vasilescu
Topic:Circle
Watch carefully and answer the questions!

New Resources

  • Equation of Locus - Parabola
  • Shells
  • Making New Year's resolutions for 2026
  • အခြေခံ data အခေါ်အဝေါ်များ
  • bewijs stelling van Pythagoras

Discover Resources

  • Circle Theorem 7: Exterior Angles Cyclic Quadrilaterals
  • Fasor_cosinus
  • Limits of Multivariable Functions
  • DARWIN playin geogebra day 2
  • Temari ball 9 : Colorful spherical area (Voronoi)

Discover Topics

  • Similarity Transformation or Similarity
  • Real Numbers
  • Orthocenter
  • Root
  • Perimeter
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®