Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. Triangle Congruence
    1. Side Side Side (SSS)
    2. Angle Angle Angle (AAA)
    3. Angle Side Angle (ASA)
    4. Side Angle Side (SAS)
    5. Side Side Angle (SSA)
    6. HL Postulate exploration

Triangle Congruence

Author:Shelley Burnside, Chip Rollinson
Topic:Congruence
Test whether each of the following "work" for proving triangles congruent: AAA, ASA, SAS, SSA, SSS, HL

  • Side Side Side (SSS)

  • Angle Angle Angle (AAA)

  • Angle Side Angle (ASA)

  • Side Angle Side (SAS)

  • Side Side Angle (SSA)

  • HL Postulate exploration

Next
Side Side Side (SSS)

New Resources

  • Probabilities with Two-Way Tables
  • Graphing Basic and Compound Inequalities
  • Deciding How New Information Affects Probability
  • Right Triangle Inscribed in a Semicircle
  • Angle Addition Postulate (V2) - Integer Solutions

Discover Resources

  • Projectile motion: targeting
  • S.5 Ch.10 Opposite Angles of Cyclic Quad
  • Fundamental Theorem of Calculus
  • Start, copy a triangle
  • Harmonický kmitavý pohyb - tlumený

Discover Topics

  • Triangles
  • Right Triangles
  • Function Graph
  • Rational Numbers
  • Dilation
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®