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

  • Mondrian's Puzzle
  • Regular Polygons and Equivalent Triangles
  • Focus and Directrix
  • Classifying Triangles
  • רישום חופשי

Opdag Ressourcer

  • Algebra II
  • Inverse Kinematics of planar 2D mechanism
  • Parallel Lines
  • f(x)=ax^2+\beta
  • Euler's Method

Udforsk emner

  • Fordelinger
  • Areal
  • Cirkeldiagram
  • Logaritme
  • Sinus
OmPartnereHelp Center
ServicevilkårPrivatlivLicens
GraftegnerMatematikværktøjssuiteCommunity Resourcer

Download vores apps her:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®