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Lesson 86. Properties of Parallel Lines
Autor:
Norm Prokup
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
Exploring GeoGebra for the First Time
Nikmati Keunggulan Di Bandar Judi Terpercaya
Prism Drawn in 1-Point Perspective
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Reflection across a line
Entdecke Materialien
Adjoining the circles
平行四邊形與長方形面積的關係
Perpindicular Bisectors In a TRiangle
Rotations
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