GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2023 GeoGebra

A median in a triangle and two angles' bisector

Author:
Idan Tal
Topic:
Angles

The applet illustrates the invariance property in any triangle ABC: If AM is a median to BC, and MD and ME are bisectors 0f AMB and AMC, then DE is parallel to BC.

New Resources

  • Arc Length S = Rθ
  • interior - wal panels - gp
  • Gur Emir mausoleum - mu
  • Kukeldash madrassa - gp and ks
  • Regular N-GON: What Happens as N Approaches Infinity?

Discover Resources

  • Triangle Shortcut Demo_AAA
  • Rotation vs. Time - Sim to Sim - Cube Root - 3
  • Table and Graph
  • การแก้สมการเชิงเส้น
  • Untitled

Discover Topics

  • Means
  • Exponential Functions
  • General Quadrilateral
  • Geometric Distribution
  • Pie Chart or Circle Chart

GeoGebra

  • About
  • Partners
  • GeoGebra on Tests
  • News Feed
  • App Downloads

Apps

  • Calculator Suite
  • Graphing Calculator
  • 3D Calculator
  • CAS Calculator
  • Scientific Calculator

Resources

  • Classroom Resources
  • Learn GeoGebra
  • Classroom
  • Geometry
  • Notes
  • Terms of Service Privacy License
  • Facebook Twitter YouTube