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

Rolling an Equilateral Triangle
Conway Circle Theorem
רישום חופשי
Fourier Lissajous (Mechanical)
Building Triangles with Set Areas

Entdecke Materialien

Rotations Preserve Distance
circles 2
Translating by a vector
正弦函数单周期
Rotations Around a Point 3

Entdecke weitere Themen

Kongruenz und Deckungsgleich
Rationale Zahlen
Funktionen
Wurzel
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