Cerca
GeoGebra
  • Home
  • Risorse
  • Profilo
  • Classroom
  • Scarica le app

Lesson 86. Properties of Parallel Lines

Autore:Norm Prokup

T6-criterion for parallel lines

[bgcolor=orange] If two lines are intersected by a third line, and alternate interior (or exterior) angles are equal, then the original two lines are parallel. [/bgcolor]

Nuove risorse

  • Portions of a Sphere
  • Position Vector and Derivative Vector
  • Thales' Intercept Theorem
  • Untitled
  • How to Draw a Cube in 2D

Scopri le risorse

  • Activity 3
  • Cumulative Freq
  • Similar Triangles - Angle Bisector
  • 10.2.1c #977011 option D
  • Polar Coordinates

Scopri gli argomenti

  • Angoli
  • Triangoli
  • Mediana
  • Funzioni trigonometriche
  • Grafici di curve
InformazioniPartnerCentro assistenza
Termini di servizioPrivacyLicenza
Calcolatrice graficaSuite CalcolatriciRisorse della comunità

Scarica le nostre app qui:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®