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

Proving Angles formed by Parallel Lines

Author:Steve Phelps
Topic:Angles, Geometry

Different colors are supplementary, and like colors are congruent.

New Resources

  • Prism Drawn in 2-Point Perspective
  • Linear Systems + Relationships Between Coefficients and Solutions
  • Neuberg's Theorem
  • Nikmati Keunggulan Di Bandar Judi Terpercaya
  • Billard V5.2 and V6

Discover Resources

  • Missing area puzzle
  • htruxien
  • Net Present Value (NPV) and Internal Rate of Return (IRR)
  • For the lols
  • Explore Properties of Parallelograms

Discover Topics

  • Geometric Distribution
  • Definite Integral
  • Cube
  • Parallelogram
  • Rotation
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteCommunity Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®