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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Reflection Across 2 Parallel Lines
רישום חופשי
Triangle with 3 Right Angles
Reflection across a line
Untitled

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Centroid
circle
AER ENG 366 Project
สมการเชิงเส้น HAPPY
Parameters of Sine, Cosine, and Tangent Functions
Thompson

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Linear Regression
Real Numbers
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General Quadrilateral
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