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

רישום חופשי
Rolling an Equilateral Triangle
Slope and Road Signs
Viviani's Curve
Rolling Circles and Polygons

Découvrir des ressources

Area of a Parallelogram (Discovery)
Geometry: Polygons & Angles
CNC Machine Midpoints
mikkel HAI
Outliers TDM Activity

Découvrir des Thèmes

Loi Binomiale
Droite Sécante ou Sécante
Boîte à Moustaches
Pyramide
Régression Linéaire