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

  • အခြေခံ data အခေါ်အဝေါ်များ
  • Regular Star Polygons
  • bewijs stelling van Pythagoras
  • Sum of Squares: Proof without Words
  • Celsius ↔ Fahrenheit Converter

Opdag Ressourcer

  • System o Equations
  • FM-S8 Hannah Similarity 3
  • awesome
  • CIRCLE GEOMETRY FOR HIGH SCHOOL
  • กราฟของสมการเชิงเส้นตัวแปรเดียว

Udforsk emner

  • Areal
  • Koordinates
  • Lineære funktioner
  • Differentialligninger
  • Retvinklede trekanter
OmPartnereHelp Center
ServicevilkårPrivatlivLicens
GraftegnerMatematikværktøjssuiteCommunity Resourcer

Download vores apps her:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®