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]

Nye Materialer

The Gardener's Circle
bewijs stelling van Pythagoras
Area of a Circle Illustrated
Area of a Trapezoid
apec

Opdag Ressourcer

Vertical Angles
ellipse_family
Two Squares Puzzle(GEOM-10)
candice

Udforsk emner

Funktionsgrafer
Kegle
Statistiske karakteristika
Keglesnit
Cylinder