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

Exploring GeoGebra for the First Time
Volume by Disk/Washer around y
Prism Drawn in 1-Point Perspective
Reflection = 180° Rotation about a Line
רישום חופשי

Découvrir des ressources

Parallel Lines
שטח עיגול
Untitled
รูปสามมิติจากฟังก์ชันสองมิติ
Dot Product and Projections

Découvrir des Thèmes

Fonctions Affines
Arbres de Probabilité
Calcul Différentiel
Trigonometrie
Aire