Søg
GeoGebra
  • Hjem
  • Materialer
  • Profil
  • Classroom
  • App Downloads

Lesson 86. Properties of Parallel Lines

ForfatterNorm 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]

Nye Materialer

  • Toroidal Spiral
  • Quiz: Vertical Angles and Linear Pairs
  • רישום חופשי
  • Nikmati Keunggulan Di Bandar Judi Terpercaya
  • အခြေခံ data အခေါ်အဝေါ်များ

Opdag Ressourcer

  • Angles in a Circle
  • Tchebychef's linkage
  • graphing activity
  • خط التماثل.
  • Cung chua goc

Udforsk emner

  • Forhold
  • Sandsynlighed
  • Polygoner
  • Subtraktion
  • Omkreds
OmPartnereHelp Center
ServicevilkårPrivatlivLicens
GraftegnerMatematikværktøjssuiteCommunity Resourcer

Download vores apps her:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®