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

Proofs of sine rule, cosine rule, area of a triangle

Author:PSP

New Resources

  • Two Triangle Theorem
  • Inversión esférica de nudos: el nudo trébol y el nudo ocho
  • Identify Opposite, Adjacent, Hypotenuse
  • Proving Triangles Similar by Dilation
  • Position Vector and Derivative Vector

Discover Resources

  • Mapping Diagrams and Graphs of Functions Version 0
  • Start, Copy Segment
  • Reflection from a Parabolic Mirror
  • Exponential Function Investigation

Discover Topics

  • Quadratic Functions
  • Pythagoras or Pythagorean Theorem
  • Expected Value
  • Hyperbola
  • Equations
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

© 2026 GeoGebra®