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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Kaynakları Keşfet

Rectilinear Figures
Theorem 18
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Sine and Cosine Functions
The sum of the angles of a quadrilateral

Konuları Keşfet

Eşkenar Dörtgen
3D (Üç-Boyutlu) Vektörler
Geometri
Açılar
Diferansiyel Hesap