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

Toroidal Spiral
Quiz: Vertical Angles and Linear Pairs
רישום חופשי
Nikmati Keunggulan Di Bandar Judi Terpercaya
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Opdag Ressourcer

Angles in a Circle
Tchebychef's linkage
graphing activity
خط التماثل.
Cung chua goc

Udforsk emner

Forhold
Sandsynlighed
Polygoner
Subtraktion
Omkreds