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

Acute Problem

Author:
Lamberto Lamberti
PROPOSITION: There do not exist four distinct points A,B,C,D on the plane such that the interior angles of the triangles ABC, ABD, ACD, and BCD are all acute. http://www.mathpages.com/home/kmath311/kmath311.htm

New Resources

  • A simple problem on vectors
  • Kukeldash madrassa - gp and ks
  • interior - squares with kufic writing
  • A problem on vectors
  • Kukeldash madrassa (2) - gp

Discover Resources

  • 正方形與菱形
  • Discrete Logistic Growth Model
  • Centipital acceleration-Gujarati
  • Football
  • เกม 24

Discover Topics

  • Scatter Plot
  • Rotation
  • Correlation
  • Inequalities
  • Curve Sketching

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