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]

Nieuw didactisch materiaal

Shells
Prism Drawn in 1-Point Perspective
Reflection across a line
Reflection Across 2 Parallel Lines
רישום חופשי

Ontdek materiaal

reena.rotation
What is the link between x and y?
Speedboat and Sailboat
Part IV: ALL
Graph of a Quadratic Functions

Ontdek onderwerpen

Logaritme
Toetsen van hypothesen
Rotatie
Grafiek
Hellingsfunctie