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

Reflection across a line
Exploring GeoGebra for the First Time
Making New Year's resolutions for 2026
Prism Drawn in 1-Point Perspective
apec

Entdecke Materialien

Lesson 1.1
Geometry: Polygons & Angles
Heptagon
Trapezoid Median Exploration
ufa p 3

Entdecke weitere Themen

Arithmetik
Matrizen
Rechteck
Oberfläche
Kurvendiskussion