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

Some random function
Rose Curve
Slope and Road Signs
Untitled
Hyperbolic Paraboloid

Découvrir des ressources

Beweis für 180° in einem Dreieck
project paper 1
Find Center of the Circle
P1.10
طي الصندوق لاقصى حجم- יצירת תיבה עם נפח מקסימלי

Découvrir des Thèmes

Entiers Naturels
Triangles Scalènes
Fonctions
Variables Aléatoires
Corrélation