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]

Neue Materialien

Parallel Lines & Related Angles: Quick Reminders
Angle Bisector: Quick Warm Up Questions
bewijs stelling van Pythagoras
רישום חופשי
Tangent Plane to a Sphere

Entdecke Materialien

quadFormula
Dissection of Circle
Dilating Triangle ABC from Different Centers
parametric line
Inverse 2
Graph Isomorphism 1

Entdecke weitere Themen

Pyramide
Gleichseitige Dreiecke
Spiegelung
Koordinaten
Matrizen