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

© 2022 GeoGebra

Ruler

Author:
Eduardo Neto, Anthony OR 柯志明
Drag the ruler to move. Drag the red point to rotate. Use the slider to adjust the length.
Anthony Or GeoGebra Institute of Hong Kong

New Resources

  • Artwork by Daniel Linus Torres
  • A2_6.02 Evaluating trigonometric functions_2
  • Action/Consequence: Proving Parallelograms
  • Coordinate Proofs for Parallelogram
  • Action/Consequence Parallel Lines and Angles

Discover Resources

  • On Sphere
  • Hole #2
  • Geomtry Project 1.0
  • Addition on Number Line
  • Kopie von Phyllotaxis in flower seeds

Discover Topics

  • Cosine
  • Similar Triangles
  • Linear Regression
  • Arithmetic Mean
  • Bar Chart or Bar Graph

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