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]

Nuevos recursos

အခြေခံ data အခေါ်အဝေါ်များ
רישום חופשי
Translation of the Graph of a Function
Interactive Unit Circle
立体几何-公理3及推论

Descubrir recursos

Orthogonality of functions
Octaves
Angle in alternate segment
Molarity
notes

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Construcciones
Funciones cuadráticas
Función potencial
Funciones partidas
Baricentro