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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Creating your own GPTs or Gems
အခြေခံ data အခေါ်အဝေါ်များ
Parabola - Write the Equation - Practice
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Angle Bisector: Quick Warm Up Questions

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Sum of a Triangle's Interior Angles.
Olimpiada Pitești 1 Cercuri Concentrice..
Example 3
non-rectangular p-gram by defn.
Perpendicular lines

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Seno
Derivata
Integrale indefinito
Operazioni aritmetiche
Grafici di curve