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]

Nouvelles ressources

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Folding door
Tangent Plane to a Sphere
Right Triangle Trig Ratios: sin, cos, tan
Parabola - Write the Equation - Practice

Découvrir des ressources

Qualitative Graph St. Pierre
lvl1
grafik fungsi kuadrat
Example 3

Découvrir des Thèmes

Congruence
Valeur Attendue
Symétrie
Expériences Aléatoires
Homothétie