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

從邊長辨認四邊形
The Red Chair
seo tool
အခြေခံ data အခေါ်အဝေါ်များ
Intercepts in 3D

Découvrir des ressources

challengeMentrard-III
Square, Triangle, and Circle Orthographic projections
converse of Pythagoras
Circle and its Radius
Copia di Direct & Inverse Variation

Découvrir des Thèmes

Equations
Fonctions Exponentielles
Cerf-Volant
Entiers Naturels
Logarithme