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

Angle Bisector Summary

Author:Caribou Contests
Topic:Angles, Geometry

The triangles ABD and ADC are congruent because they have the same side lengths. Therefore angles BAD and DAC are equal.

New Resources

  • Marion's Theorem
  • Dividing a 3-digit number by a 1-digit number (1)
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Geometric linkage
  • Dividing a 2-digit number by a 1-digit number (1)

Discover Resources

  • ThalesMMI
  • Cyclic quadrilateral, angle bisector, and isosceles triangle
  • Factorise step by step
  • EM 2009 P2 Q8
  • Vertically Opposite Angles

Discover Topics

  • Centroid or Barycenter
  • Calculus
  • Trigonometric Functions
  • Upper and Lower Sum or Riemann Sum
  • Quadrilaterals
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

© 2025 GeoGebra®