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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Building Trapezoids with Set Areas
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Regular Polygons and Equivalent Triangles
Building Figures with Set Areas

Découvrir des ressources

Properties of Triangle Dilations
Digitron
Sampling Distribution of a Proportion
Polygon
Side Lengths of Reflected Figures

Découvrir des Thèmes

Equations
Triangles Isocèles
Fonctions Trigonométriques
Fonction Tangente
Vecteurs 3D (Espace)