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

Angle Bisector: Quick Warm Up Questions
Parallel lines, Transversals and Segments
Parallel Lines & Related Angles: Quick Reminders
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Descubrir recursos

Slope and y-itercept
Limite segundo Heine
Toolbar: Beginner Level - Geometry
División en n partes

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Funciones cuadráticas
Estadística
Mediana
Correlación
Funciones Trigonométricas