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]

Neue Materialien

Assistants (custom GPTs or Gemini Gems) for Math
Open Education 2026
bewijs stelling van Pythagoras
Perimeter of a Rectangle with Unknown Sides
Nikmati Keunggulan Di Bandar Judi Terpercaya

Entdecke Materialien

Physics
Voronoi_avoidanceTactic
Teste Cederj 8_1
Example 1
Problem #2 (1/3)
Derivative of Exponentials

Entdecke weitere Themen

Allgemeine Dreiecke
Mittelwerte
Arithmetisches Mittel
Arithmetik
Wurzel