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]

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Graphs of Rational Expressions
רישום חופשי

Opdag Ressourcer

Possible length of the third side of a triangle
Project graph final
Teorema si formula lui Pick
samplePC
intercept form
Graph Transforms: Cosine (Rad)

Udforsk emner

Koordinates
Legemer eller 3D-figurer
Geometriske flytninger
Funktioner
Enhedscirkel