Lesson 86. Properties of Parallel Lines

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]

Nouvelles ressources

Regular Star Polygons
Domain of f(x,y)
Untitled
רישום חופשי
Trammel of Archimedes Art

Découvrir des ressources

Circumcenter Incenter
Parallel Lines by Angle
y10 quadratic
The Great Ones
การบวกจำนวนเต็ม

Découvrir des Thèmes

Pourcentages
Fonctions Trigonométriques
Corrélation
Translation
Fonctions Affines