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

Parallel Lines Triangle Proportion

Author:seth heinss, Jason Wofsey

New Resources

  • Reflection = 180° Rotation about a Line
  • z`]]
  • Triangle with 3 Right Angles
  • Making New Year's resolutions for 2026
  • Reflection across a line

Discover Resources

  • p31m frame
  • Compare Fractions L1
  • Trajectory and velocity components
  • Identify quadrilaterals
  • In summary...

Discover Topics

  • Optimization Problems
  • Statistics
  • Correlation
  • Logarithmic Functions
  • Linear Programming or Linear Optimization
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®