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]

Nuevos recursos

AI for Math Teachers (prompt examples)
Tangent Plane to a Sphere
Creating your own GPTs or Gems
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Parallel Lines & Related Angles: Quick Reminders

Descubrir recursos

Kennzahlen der Lage bzw. Streuung einer Verteilung
Sequence 3n+7
Untitled
Area of circular path
Extended Chords

Descubre temas

Volumen
Características estadísticas
Romboide
Círculo unitario
Matemática