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]

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Factoring
Polynomial Division and the Remainder Theorem
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

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RANDOMFRACTIONS
num_met5_bisect
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properties of parallelograms
Integral...
Angle bisector theorem

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Triangoli rettangoli
Equazioni
Intersezioni
Piramide
Funzioni trigonometriche