Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

G.3.9 Learning Goal

Author:Katie Akesson
I can explain why the Angle-Angle Triangle Similarity Theorem works.

New Resources

  • Probabilities with Two-Way Tables
  • Squaring a Rectangle (PST Version)
  • Rotating Plane Figures to Form Solids
  • Basic and Compound Inequality Illustrator
  • Identifying Solids Formed by Rotation

Discover Resources

  • Pythagoras' Theorem
  • ws2017
  • Introduction to Cosine & Tangent
  • Unit Circle Components
  • Nets of Cube

Discover Topics

  • Root
  • Logic
  • Hypothesis Testing
  • Unit Circle
  • Tree Diagrams
AboutPartnersHelp Centre
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®