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]

New Resources

AI for Math Teachers (prompt examples)
seo tool
Creating your own GPTs or Gems
Parallel Lines & Related Angles: Quick Reminders
Export grapfics view

Discover Resources

艾董的圖形
true/Thales3.ggb
Angles on the same arc
Reimann Sum
Kopia av Derivative of f(x)=ln(x)

Discover Topics

Linear Programming or Linear Optimization
Integers
Parametric Curves
Random Variables
Quadratic Equations