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

Focus and Directrix
Perimeter of Rectangle
အခြေခံ data အခေါ်အဝေါ်များ
Building Figures with Set Areas
Area of a Trapezoid

Découvrir des ressources

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incircle123
Circumcenter
Unit 8 Circles Sketch
Shot 4
IM2.7 T4 Chord Theorem

Découvrir des Thèmes

Intégrale Définie
Cercle Circonscrit
Test d'Hypothèse
Racine
Graphe de Fonction