Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. Proving Angle Congruence Theorems
    1. Defining Congruence
    2. Proving Congruence
    3. Proof: Vertical Angles Theorem
    4. Proof: Corresponding Angles Theorem
    5. Fun!
    6. Prove Angle Congruence

Proving Angle Congruence Theorems

Author:Aaron Dankman
Topic:Congruence
Review, exercises, and a fun challenge related to some angle theorems

  • Defining Congruence

  • Proving Congruence

  • Proof: Vertical Angles Theorem

  • Proof: Corresponding Angles Theorem

  • Fun!

  • Prove Angle Congruence

Next
Defining Congruence

New Resources

  • Graphing Basic and Compound Inequalities
  • Isosceles Right Triangle
  • Building Algebra Tile Models for Trinomials
  • 繪畫垂直線
  • Rovnoběžnost rovin

Discover Resources

  • fdrD
  • Radical Number Construction
  • Mid point Theorem
  • Geometry Rotational Symmetry
  • Lissajous Divisibility

Discover Topics

  • Confidence Interval
  • Division
  • Median Value
  • Vectors 3D (Three-Dimensional)
  • Variance
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®