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]

Nýtt námsefni

Shells
רישום חופשי
Triangle with 3 Right Angles
Volume by Disk/Washer around y
Pitfalls of Disk/Washer Method

Skoðaðu námsefni

Circles & Their line segments
Parabola Vertex (7,0)
Reflection Problem 1
รวมสื่อgeogebra

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Hlutföll
Horn
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