Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Always an angle bisector

Author:Idan Tal

The applet illustrates that for any location of point D on the inner tangent circle, the cord AD is a bisector of the angle BAC.

New Resources

  • Squares Question
  • What Do You See?
  • Function art 3D - waiting shed
  • Congruent Sides & Angles in △s: Exploration
  • Function art 3D - waiting shed (v2)

Discover Resources

  • undefined
  • Geometry Grade 3
  • Pulleys - Course Material
  • สามเหลี่ยมพี่ทาโกรัส
  • اقطار المستطيل

Discover Topics

  • Secant Line or Secant
  • Conic Sections
  • Hyperbola
  • Cosine
  • Parallelogram
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®