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

Parallelogram Anatomy
Area of a Trapezoid
Superellipse
z`]]
bewijs stelling van Pythagoras

Découvrir des ressources

Angle pair definitions
Parallel Lines Cut by a Transversal
Vektorový podprostor
Rotate Point
Shape for reflecting and rotating 2019

Découvrir des Thèmes

Surface
Volume
Droite Médiane
Triangles Equilatéraux
Cône