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®

π = 4 ?

Author:
Anthony OR 柯志明
Topic:
Circle

New Resources

  • Maths & Tangram
  • Cube Area
  • Philippine Abaniko
  • Vertical Pairs and Linear Pairs
  • Midpoints

Discover Resources

  • Tool Kit Function
  • Treasure Map
  • Tables and Graphs
  • Italia: Ángulos en la circunferencia N-1.
  • Multiplying fractions with area model

Discover Topics

  • Circumcircle or Circumscribed Circle
  • Optimization Problems
  • Right Triangles
  • Hypothesis Testing
  • Function Graph

GeoGebra

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

Apps

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

Resources

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